Up From The Limit Level 1 Until I at The Weakest Level Become The Strongest in Another World (限界レベル１からの成り上がり ～最弱レベルの俺が異世界最強になるまで～, Genkai Level 1 Kara No Nariagari Saijakulevel No Ore Ga Isekai Saikyo Ni Naru Made) is a Japanese light novel series written by Miraito and illustrated by Esora Amaic.
Tetsuya Takahashi was suddenly summoned to another world. However, his invocation was a mistake and after participating in the level review...he has the weakest [level limit], lv.1, the king seeing his limit calls him "defective" and condemns him to death! Despite being summoned against his will. Tetsuya is thrown into the valley of the monsters. There he was attacked and brought to the brink of death, and when he used his unique skill [Absorb Corpse], he gained the skills that the corpse possessed! "...Let's do it! Survive in this world, become strong and take revenge on those who were summoned. The "level 1" man who was called "defective" and "weak"... now begins the ascent to be the strongest!
A manga adaptation with art by Uemukai Dai has been serialized in Comic Walker.