CHRV-086 The obscene big breasts of my sister who is too serious and an honor student are worth seeing! - G cup 97cm Hikari, her talented and flawless younger sister is the only one who is not good at sex education...

Who the hell does my little sister look like? She's so smart! - And he's not just smart! - Her face is cute and her boobs are huge! - I'm an honor student with big boobs! - However, even though her brain, body, and breasts are all abnormally developed...especially when it comes to her breasts, her breasts themselves are inferior students~I'll train her insides!