Season 1
Ryota Sato, a salaryman who one day found himself inside an unfamiliar dungeon! With the help of the girl he met there, Emily, he found that his stats are all "F"! Not only that, his level is fixed at 1. However, he learns that he actually possesses an OP Unique Skill; "Drop Skill: ALL S"! With this, can Ryota survive living in this strange new world!©MN,K/L1
