http://www.dlsite.com/maniax/work/=/product_id/RJ212896
Into the world of 6,500 meter below in which no one has stepped foot yet——
** Synopsis **
Hasumi meets an android who claims to come from the future in a smattering of language, making her skeptical.
In order to avoid a meteorite impact that is scheduled to befall seven days later, the two goes deep into a huge crater lies
at the foot of Mount Fuji. Herds of weird creatures live in the underground world which, perhaps, will have either a girl vigorously brandishing a sword or……

Release: 2018/04/27
File type: exe
Genre: RPG, lolicon, oral, rape, bondage, hypnosis, robot sex, transforming girl, tentacles, rubber, panties, school uniform
Language: japanese
Interface: japanese
Censorship: yes
Size: 806 MB