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
Screwed-in depth achievement
Achieve the specified number of coming
Pull the Jelly Bean a lot.
Pull the Twin Juicy Peach a lot.
Make her drink a lot.
Achieve the specified number of unlock setting
You have penetrated the earth by screwing in.
You have circled the globe by screwing in.
You've exceeded the 1 / 5 speed of light by screwing in.