Boku no Heya ga Dungeon no Kyuukeijo ni Natteshimatta Ken is a light novel about a young man whose apartment's front door opens into a dungeon from the inside. Needs Wiki Magic Love.
- Fighter, Mage, Thief: Aria is the fighter, Deeto is the Mage, but the thief isn't known yet.
- First Girl Wins: Averted. Deeto is the first girl Tooru shows his world to.
- Invisible to Normals: Played with. The dungeon travelers can only see the balcony door to Tooru's apartment as a wall of stone blocks that he can pass through. It works the otherway around inside the dungeon.
- Made of Iron: The man who inspects Tooru's apartment takes a Megaton Punch and a pointblank lightning spell and gets up as if nothing happened, all while giving no indication of catching on to who the two girls really are.
- Magic Kiss: Deeto and Tooru find that it's doing this is what alters her stats when changing "armor" didn't work twice.
- Ms. Fanservice: The high elf mage, Deeto, certainly is, which seems to be related to her being dubbed "The Loner Magician" in her and Aria's world.
- Science Fantasy: Played with. Tooru finds that an everyday electric cord can work in the dungeon, but only as long as the door is opened first.
- Slime Girl: Tooru keeps an endangered white-colored one in the apartment and names it Shizuku.
- Trapped in Another World: Averted. Tooru and others can go in and out of the dungeon easily.