Here is the full list of all 57 NejicomiSimulator Vol.2 (Gapping, Amputee sex slave, Petrify, Time Stop) achievements.
Achieve the specified number of logins
You have penetrated the earth by screwing in.
Screwed-in depth achievement
Achieve the specified number of coming
Achieve the specified number of unlock setting
Pull the Jelly Bean a lot.
Pull the Twin Juicy Peach a lot.
Make her drink a lot.
You have circled the globe by screwing in.
You've exceeded the 1 / 5 speed of light by screwing in.