Isekai de Cheat Skill wo Te ni Shita Ore wa, Genjitsu Sekai wo mo

Yuuya Tenjou has been a bullied boy since the past. He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds. While on this long time of absence, he takes the opportunity to clean his grandfather's house and goes to a room he never went before, where his grandfather kept many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects. Out of curiosity he opens this door, what he found on the other side was (Source: Novel Updates)

I Got a Cheat Ability in a Different World, and Became Extraordinary Even in the Real World (LN) - Novel Updates

DISC] Isekai de Cheat Skill wo Te ni Shita Ore wa, Genjitsu Sekai wo mo Musou Suru ~Level Up wa Jinsei wo Kaeta~ - Chapter 18 : r/manga

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Isekai de Cheat Skill wo Te ni Shita Ore wa, Genjitsu Sekai wo mo Musou Suru: Level Up wa Jinsei wo Kaeta (anime), Cheat Musou Wiki

English dubbed of Isekai De Cheat Skill Wo Te Ni Shita Ore Wa(1-13End)Anime DVD

Isekai de Cheat Skill wo Te ni Shita Ore wa, Genjitsu Sekai wo mo Musou Suru: Level Up wa Jinsei wo Kaeta Episode #02

Read Isekai De Cheat Skill Wo Te Ni Shita Ore Wa, Genjitsu Sekai Wo Mo Musou Suru ~Level Up Wa Jinsei Wo Kaeta~ Chapter 14: Temptation Of The Bath - Manganelo

Isekai de Cheat Skill wo Te ni Shita Ore wa, Genjitsu Sekai wo mo Musou Suru ~Level Up wa Jinsei wo Kaeta~ - MangaDex