TEND-015 My cheeky step sister is a G-cup and the class representative... Shunka Miyanoki

Synopsis

One day, his parents remarried and he suddenly found himself with a cute step-sister. The brother was worried about how to treat her. Despite his worries, his sister Shunka brazenly pries into his private life. Yes, Shunka is interested in his brother as a man! Shunka uses her G-cup bust as a weapon to approach him, and the brother has no choice...