Boku no Heya ga Dungeon no Kyuukeijo ni Natteshimatta KenBoku No Heya Ga Danjon no Kyūkeisho Ni Natte Shimatta Ken; Bokudun; How My Room Turned Into a Dungeon Rest Area; My Room Has Become a Dungeon’s Rest Area; My Room is a Dungeon Rest Stop; Моя комната превратилась в подземелье; 僕の部屋がダンジョンの休憩所になってしまった件; 关于我的房间成为了地下城的休息点的事情; 關於我的房間成為了地下城的休息點的事情; 내 방이 던전의 휴식처가 되어버린 사건

Does a two-bedroom apartment in the Tokyo metropolitan area with a rent of 30,000 yen sound too good to be true? Our hero certainly didn't read the fine print. After renting his dream apartment, Tooru quickly realized that the front door of his new home connects to a dungeon. But it isn't all that bad - after he saves a young knight, he quickly learns that his home can also be a rest stop for adventurers.