Having acquired a cheat abilitie , I became unrivaled is a popular web novel written by the author Phil_Bob, covering OVERPOWERD MC, LEVEL SYSTEM, VRMMORPG, LOYAL SUBORDINATES, VRMMO, TIME SKIP, CITY BUILDING, DUNGEON BUILDING, Magical Realism genres. It's viewed by 160K readers with an average rating of 0/5 and 8 reviews. The novel is being serialized to 26 chapters, new chapters will be published in Webnovel with all rights reserved.
Tenjou Yuuya 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 keep 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... I'm only translating the original: https://kakuyomu.jp/works/1177354054882725960