Steam で 40% オフ:Hentai vs Evil: Back 4 Waifus
https://store.steampowered.com/app/1408260/Hentai_vs_Evil_Back_4_Waifus/?l=japanese

Hentaiってのはアニメ調の女キャラ、くらいの意味なのか？(;´Д`)