Yoku Wakaranai keredo Isekai ni Tensei shiteita you desu (よくわからないけれど異世界に転生していたようです, This Is Screwed Up, but I Was Reincarnated as a Girl in Another World!) is a Japanese light novel series written by Ashi with illustrations by Kaoming. It began serialization as a web novel published on the user-generated novel publishing website Shōsetsuka ni Narō in May 2017. It was acquired by Kodansha who began publishing it as a light novel under their Kodansha Ranobe Books imprint in February 2019. A manga adaptation illustrated by Keyaki Uchiuchi began serialization on Kodansha's Nico Nico Seiga-based Suiyōbi no Sirius website in October 2019.
Synopsis[]
"It's cute, but the previous life was an old man researcher! ?? Survival in another world with magic and science!!!"
The orphan Ren was riding the carriage after being sold, when she got involved in an accident, and got her previous life's memories back!
"I was... a middle-aged man!"
Indeed, she was a researcher in his thirties in her previous life, and had been living as an orphan girl up to now! Ren will make use of her talents in magic and knowledge in science to survive in this harsh world to escape from the investor who bought her!
List of Published Books[]
Novel[]
Written by Ashi, This Is Screwed Up, but I Was Reincarnated as a Girl in Another World! began serialization on the user-generated web novel publishing site Shōsetsuka ni Narō on May 16, 2017. The series was later acquired by Kodansha who began releasing the series with illustrations by Kaoming under its Kodansha Ranobe Books light novel imprint in February 2019. Five volumes have been released as of February 2024
| No. | Original release date | Original ISBN | English release date | English ISBN |
|---|---|---|---|---|
| 1 | February 01, 2019 | 978-4-06-518950-4 | — | — |
| 2 | July 02, 2019 | 978-4-06-516831-8 | — | — |
| 3 | April 01, 2020 | 978-4-06-519359-4 | — | — |
| 4 | March 02, 2021 | 978-4-06-522802-9 | — | — |
| 5 | February 2, 2024 | 978-4-06-534739-3 | — | — |
Manga[]
A manga adaptation illustrated by Keyaki Uchiuchi began serialization on Kodansha's Nico Nico Seiga-based Suiyōbi no Sirius manga website on October 4, 2019. The first tankōbon volume was released on April 9, 2020. The manga's chapters have been compiled into twenty tankōbon volumes as of February 2024. The manga is licensed in English by Seven Seas Entertainment.
| No. | Original release date | Original ISBN | English release date | English ISBN |
|---|---|---|---|---|
| 1 | April 9, 2020 | 978-4-06-518950-4 | June 7, 2022 | 978-1-64827-801-3 |
| 2 | August 6, 2020 | 978-4-06-520368-2 | July 19, 2022 | 978-1-63858-355-4 |
| 3 | November 9, 2020 | 978-4-06-521181-6 | October 11, 2022 | 978-1-63858-691-3 |
| 4 | January 8, 2021 | 978-4-06-521846-4 | November 15, 2022 | 978-1-63858-777-4 |
| 5 | March 9, 2021 | 978-4-06-522564-6 | February 28, 2023 | 978-1-63858-874-0 |
| 6 | May 7, 2021 | 978-4-06-523140-1 | April 11, 2023 | 978-1-63858-986-0 |
| 7 | August 6, 2021 | 978-4-06-524105-9 | June 20, 2023 | 978-1-68579-602-0 |
| 8 | October 7, 2021 | 978-4-06-525166-9 | August 29, 2023 | 978-1-68579-919-9 |
| 9 | December 9, 2021 | 978-4-06-526019-7 | November 7, 2023 | 978-1-68579-940-3 |
| 10 | February 9, 2022 | 978-4-06-526651-9 | January 2, 2024 | 978-1-68579-956-4 |
| 11 | April 7, 2022 | 978-4-06-527388-3 | March 12, 2024 | 979-8-88843-401-7 |
| 12 | July 7, 2022 | 978-4-06-526019-7 | June 4, 2024 | 979-8-88843-488-8 |
| 13 | September 08, 2022 | 978-4-06-528964-8 | — | — |
| 14 | November 09, 2022 | 978-4-06-529598-4 | — | — |
| 15 | February 09, 2023 | 978-4-06-530515-7 | — | — |
| 16 | April 07, 2023 | 978-4-06-531149-3 | — | — |
| 17 | June 8, 2023 | 978-4-06-531798-3 | — | — |
| 18 | September 8, 2023 | 978-4-06-532796-8 | — | — |
| 19 | November 9, 2023 | 978-4-06-533496-6 | — | — |
| 20 | February 8, 2024 | 978-4-06-534481-1 | — | — |
Character[]
A girl from the Celestial race. She has long wavy black hair and big breasts. While traveling in a horse-drawn carriage to visit a merchant who was an investor in the orphanage, she was attacked by bandits and fell off a cliff, causing her to regain his memories of his previous life. After that, she no longer goes back to the orphanage or the merchant, but instead decides to build a house in the forest and live there. She can use creation magic and can create matter from nothing. However, since using creation magic requires a large amount of MP, I try to manufacture things whose structure I understand by preparing materials and using magic.
She also has the legendary skill of storage, which allows her to store matter in phase space and eject only desired objects. While she enriches his life by growing vegetables and hunting, his intellectual curiosity has turned to sexual interest due to his body being of a different gender than in his previous life, so she is also focusing on developing sex toys. In his previous life, she was a man in his 30s named Renjuro Yuuki, and she was a researcher working for a manufacturer.
Summary Story:
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Abilities[]
Ren's magical talent and the scientific knowledge of their previous life are very useful when applied in combat, giving example her Air barrel applies a physical acceleration of wind magic it stimulates through his 「Creation Magic」 by throwing a pebble or a dagger in high speed. Her 「Creation Magic」 needs specific requirements like material and vision on what she wants to build or come up with. Every item she created costs to minimum of 10 mp to 300 ⬆⬆ or much higher depending on the construct of the item she revised. Her [Creation Magic] can do just about anything she wants, provided she can supply sufficient mana.
| [Name] | Ren | [Race] | Heavenly people | [Occupation] | Orphan,Forest Dweller ➧ ? | [Age] | 12 | [HP] | 60/60 | |
|---|---|---|---|---|---|---|---|---|---|---|
| [MP] | 450/450 | [STR] | 3 | [VIT] | 4 | [DEX] | 15 | [int] | 500 [?] | |
| [AGI] | 4 | [MGC] | 390 | [CHA] | 24 | [LUK] | 4 |
After becoming a Celestial, her INT is 500, her MGC is 300, and the only other base stat that is not in the single digits is CHA at 14, once she was able to get proper nourishment. The power of a pistol or a rifle is an average bullet velocity of 200 m/s = cost 1mp ➧ 400 m/s = cost 5 mp ➧ 800 m/s = cost 20mp and so on, she applies this method for combat. Her aim assists by the skill of 「Snipping」 and 「Hawk Eye」 for long-range attacks giving her more advantage in combat in this style of fighting.
She cares only about her interests. If those interests happen to align with yours, congratulations, you've just gained a powerful ally. For example: a dangerous monster terrorizing the trade caravans? Meh, let someone else deal with it. Dangerous monster happens to be a giant bull? OOH! I want a nice steak dinner! so her actions manifest new skills simply by existing. Waking up in the forest, after a horrible night, due to a broken ankle caused by the carriage crash has her manifest [Tolerance: Fatigue], [Tolerance: Pain], and [Tolerance: Hungry].
| 【Skill】 | |
|---|---|
| ≪Creative magic LV10≫ ≪Life magic LV10≫ ≪Storage LV-≫ ≪Appraisal LV10≫ ≪Alert LV10≫ ≪Detection LV10≫ ≪Concealment LV10≫ ≪Camouflage≫ ≪Hawk Eye≫ ≪Multitasking Lv4≫ ≪Formulation LV10≫ ≪Blacksmith LV10≫ ≪Metalworking LV10≫ ≪Leather working LV10≫ ≪Woodworking LV8≫ ≪Clothing LV8≫ ≪Cleaning≫ ≪Cooking LV5≫ ≪Agriculture LV8≫ ≪Riding LV10≫ ≪Taming LV3≫ ≪-???-≫ ≪-???-≫ ≪-???-≫≪-???-≫ ≪-???-≫ | |
| ≪Magic Perception LV8≫ ≪Magic circulation≫ ≪Magic Control LV10≫ ≪Light MagicLV10≫ ≪Fire MagicLV10≫ ≪Water MagicLV10≫ ≪Wind MagicLV10≫ ≪Earth MagicLV10≫ ≪Dark MagicLV5≫ ≪Ice MagicLV7≫ ≪Lightning MagicLV5≫ ≪Null MagicLV10≫ | |
| ≪Sniping LV10≫ ≪Sword Manipulation Magic LV3≫ ≪Sword Master≫ ≪Weapon Skill≫ ≪Katana LV2≫ ≪Golem Control LV8≫ | |
| ≪Steel thread making LV6≫ ≪Automata Creation LV5≫ ≪Golem Creation LV8≫ ≪Magic Tool MakingLV8≫ ≪Mana Sword Creation LV9≫ ≪Elemental sword creation LV9≫ ≪Magic sword creation LV7≫ ≪Holy Sword Making LV1≫ ≪Magic Bestowed LV5≫ ≪Skill Grant Lv5≫ | |
| ≪Hungry ToleranceLV5≫ ≪Fatigue ToleranceLV5≫ ≪Pain ToleranceLV5≫ | |
| ≪Nasty LV8≫ ≪Big breasts LV3≫ ≪Birth Control LV-≫ | |
| Magic attribute aptitude: | All Attributes |
It is deconstructed and reconstructed. Multi-tasking in the lab led to an explosion for the 30+ researchers that killed him. Once awakening these memories, Ren soon develops a multi-processing skill that allows her to focus on up to four tasks simultaneously. This allows her to fashion a well-camouflaged, golem-propelled carriage that she can drive in her sleep! Despite having no problems with her vision, she crafts a pair of glasses with [Appraisal Level 2] to hide the fact that she has [Appraisal] as an inherent skill, so she's not turned over to a certain toad-faced merchant.
By the time chapter 110 comes around, she's the only blacksmith in the kingdom who can work with adamantite, forging a sword that can rival the equipment normally found in dungeons, which are considered trials placed by god! Although Vector did keep his word to keep the origin of said sword secret, word of her skill somehow made it to shady individuals who tried to have her kidnapped to force her to work on their behalf.
| Familiar: | Stored Item | |||
|---|---|---|---|---|
 |
Norms ♀
Fenrir is nostalgic for Ren. |
 |
Bell ♀
Norns' daughter. Mofumofu and cute |
EyeGlass: A magic tool that embeds with Appraisal Lv2 Skill Magic Stove Diary Golems
Daggers |
| [Race] Fenrir | [Occupation] Demon Beast | [Race] Fenrir | [Occupation] Demon Beast | |
| [Title] Ren's friend | [Age] 50 years old | [Title] Norns' daughter | [Age] 1 year old | |
| HP 450/450 | MP 80/80 | HP 20/20 | MP 5/5 | |
| STR 18 VIT 15 DEX 15 AGI 30 INT 15 MGC 15 CHA 15 LUK 10 |
Magic: Water LV3 Magic: Wind LV3 Magic: Ice LV3 Magic: Lightning LV3
|
STR 5 VIT 5 DEX 5 AGI 15 INT 8 MGC 8 CHA 8 LUK 5 |
Alert LV1 Detection LV1 Hidden LV1 | |
| Magic attribute aptitude: | water, wind, ice, thunder | Magic attribute aptitude: | water, wind, ice, thunder | |
in, up to and including building a freaking Gundam! But once the shock wears off and she feels safe again, she leaves it all behind, including sneaking away from a sleeping Alyssa and Lily to go pick bamboo shoots alone in the forest. Lily and Alyssa tear her a new one for that, lecturing her for hours, while Norn pins her to the ground with her forepaw to make her reflect on her actions.
Reception[]
The series has over 2.4 million copies in circulation as of August 2023.
External Link[]
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Web novel at Shōsetsuka ni Narō (in Japanese)
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Work information | Kodansha
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Work information (Manga Official Website) | Nico Nico Seiga (in Japanese)
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Work information (Manga Official Website) | Yanmaga
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Work information (Manga Official Website) | Pocket Shonen Magazine
- Yoku Wakaranai keredo Isekai ni Tensei shiteita You desu ─ Wikipedia EN
Trivia[]
to be added.