【Konoshiro-Shinko】alp-switch

When a timid, ordinary male student [Yusuke Shishizaki] opens a bottle he found one day
A mysterious girl named Alp, who claims to be a whore, has arrived!

Yusuke is bewildered, but suddenly he’s tempted to have sex with her…?

I’m going to eat your semen.

This is the data version of the doujinshi distributed at C93 (31/12/2017) (excluding 4 extra pages + 2 guest pages).
This is a sample and has been heavily modified.