ZEX-369 Kankin Even though I just dropped my phone... A record of the few days I was trained by an old man who looked like a stalker.

Mikako drops her smartphone on the roadside. - Luckily, a strange pervert man picks it up and uses the dating masturbation video in his smartphone as a material to blackmail Mikako and imprison and train her in a perverted way... - And before you know it, Mikako becomes like a beast...