When a younger guy meets aa serious but kind girl virgin, she's sure to get corrupted by his shota charms! At home, at school, outside, and more! There are tons of situations and outfits to enjoy, as well. Eventually, spending every day mired in the pleasures of the flesh starts to change her...

Complete the main game to unlock "After Hard Mode" and witness the heroine at her sluttiest!

"Big sis, no matter what, I'm going to make you mine and mine alone..."