Kekkaishi e no Tensei

Kekkaishi e no Tensei (結界師への転生, lit. "Transmigration of Kekkaishi"; Reincarnation into the Barrier Master) is a Japanese light novel series written by Naotarou Kataoka. Originally published via the novel posting website Shōsetsuka ni Narō in October 2016, the series was later acquired by Micro Magazine, which began publishing the series in print with illustrations by Itsuwa Katou. A manga adaptation, illustrated by Souichi, began serialization on the Comic Boost-based web manga platform Gentosha Comics in October 2018.

Synopsis
Barrier Masters: wielders of a rare and powerful guardian magic, entrusted with the lives of those under their protection. When his life on Earth ends, Lynos is fortunate to be reborn and to inherit this special gift. What's less fortunate is that he's been reborn as a child, and slated for sale as a slave. Narrowly avoiding a dire fate, he is taken as a servant by a prosperous noble family, where he is trained to become the guardian of its reigning members. Step by step, one trial after another, Lynos prepares for a life of adventure as a Barrier Master!

(Source: Seven Seas Entertainment)

Light Novel
written by Naotarou Kataoka. Originally published via the novel posting website Shōsetsuka ni Narō in October 2016, the series was later acquired by Micro Magazine, which began publishing the series in print with illustrations by Itsuwa Katou.

Manga
A manga adaptation, illustrated by Souichi, began serialization on the Comic Boost-based web manga platform Gentosha Comics in October 2018. Kekkaishi e no Tensei has been published in English as Reborn as a Barrier Master by Seven Seas Entertainment since November 2, 2021.

Character
"I wonder when was the last time I felt this way. No, from the beginning of my life, this might be the first time~. Anyway, kill. The ones who killed my precious people, my family, kill every one of them. Kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill, kill!!!!!!"

- Lynos, killing all invaders

Kubo Tamotsu. 34 years old. Died at the bathroom because of a serious stomach ache and he is a programmer. A so-called IT warrior. When his life on Earth ends, Lynos (Lynos Daake Basam) is fortunate to be reborn and to inherit this special gift. What's less fortunate is that he's been reborn as a child (6 years old), and slated for sale as a slave.

Narrowly avoiding a dire fate, he is taken as a servant by a prosperous noble family of Basam, where he is trained to become the shield master (Guardian/Barrier Master) of its reigning members. Step by step, one trial after another, Lynos prepares for a life of adventure as a Barrier Master!, after he opens his eyes to the opportunity and is filled with happiness, he devotes himself to protecting the family he owns. He was given a position as protector and supervisor of Basim national class treasure.

But the invaders of the empire began to move they took advantage of the situation until he saw the death of his family and lady Eril from a dragon to rage and despair, Lynos unleashed a devastating ice pillar from his ability of barrier the conjured the element to form a giant ice. all who invaded the Empire even the traitor Mister Wyton, Died from being crushed. Cursed people in the surroundings saw Lynos as a monster, After he took the Treasure as a Supervisor and protector he promised himself that he would rebuild the Empire.

Lynos stayed in the forest and in his dreams his family came to see him and also Lady Eril, After they talked they came for Lynos he is free for not a slave they tell him that it is up to be goodbye but Lynos never insisted that what he saw, that he wished to stayed or took him but Eril took promised to Lynos that to Live on now until they final goodbye Lynos took his journey upon his journey he met a fox and Pegasus that had been attacked by bear Lynos saved them and healed their injuries.

Abilities
Lynos was trained by Basam Residence to become a protector until his adulthood, from swordsmanship and martial arts. Lynos have sharp instincts able to react in a split second to instantly identify “the best personal course of action” during combat.

Lynos hold basam family treasure, every treasure that Lynos keep contains a National treasure weapon, armor, and accessories. Before the invasion, Lady Erza was promoted as Supervisor for Basam Treasure because of being a barrier master.
 * -| The Beginning=
 * -| LN Ch. 7=
 * -| LN Ch. 23=
 * -| LN Ch. 42=
 * -| LN Ch. 23=

Lynos barrier is the biggest asset in both of offensive and defensive battles, the other skill like Element magic skill is only used as support when in battle. Adding this he remembers his previous life as a programmer, giving him a large advantage in battle and being able to manipulate both of his skills in the battle. {|
 * -| LN Ch. 85=

Trivia
 to be added 

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