社畜、ダンジョンだらけの世界で固有スキル『強欲』を手に入れて最強のバランスブレーカーになる　～会社をやめてのんびり暮らします～•Shachiku, Dungeon Darake no Sekai de Koyuu Skill "Gouyoku" wo Te ni Irete Saikyou no Balance Breaker ni Naru

A Corporate Slave in a World Full of Dungeons Acquires the Innate Skill Greed and Becomes the Strongest Balance Breaker~i Quit My Job to Live a Carefree Life~

In present-day Japan, countless dungeons appeared. Hekoobi Keita, a corporate slave exploited by a black company, goes into Shibuya's dungeon indifferently. but thanks to a rare monster he (coincidentally) defeated, he obtained the cheat skill, Greed! As soon as she saw that ability, a super-rich high school girl named Okoshiyama Sudare offered him a 60-million-yen contract to become her personal explorer...?! Everything's on a whole other level as his life of overwhelming success begins!!! -Mangadex