増田桂馬は異世界に召喚された先で美少女ロクコと出会う。ダンジョンマスターとなり“働かなくてもいい”生活を手に入れたと思ったら――ダンジョンを守らないと死ぬ事態に!? 守るべきダンジョンの部屋は一つ、さらに山賊によって制圧済み。ぐーたら主人公が紡ぐ一発逆転ストーリー、開幕! Masuda Keima, a lazy high-school boy who prefers to laze around and avoid working, gets summoned as a dungeon monster by a girl avatar named “Dungeon Core No. 695” who is the dungeon core of the mighty one-room dungeon “Ordinary Cave”. Through a mishap she accidentally assigns him as her Dungeon Master, so […]

増田桂馬は異世界に召喚された先で美少女ロクコと出会う。ダンジョンマスターとなり“働かなくてもいい”生活を手に入れたと思ったら――ダンジョンを守らないと死ぬ事態に!? 守るべきダンジョンの部屋は一つ、さらに山賊によって制圧済み。ぐーたら主人公が紡ぐ一発逆転ストーリー、開幕!

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Masuda Keima, a lazy high-school boy who prefers to laze around and avoid working, gets summoned as a dungeon monster by a girl avatar named "Dungeon Core No. 695" who is the dungeon core of the mighty one-room dungeon "Ordinary Cave". Through a mishap she accidentally assigns him as her Dungeon Master, so first order of business is to get rid of those pesky bandit invaders that have set up camp near the heat-emitting dungeon core before they get the idea to smash it and kill them both.