Swallowed by a classmate of bad kids bullying his weak brother, he lost his incest brother and sister's virginity with his older brother Chi-po.

She is the sister of a pure innocent student with a weakly bullied older brother. Their brother was not enough, and their target shifted to their sister. the girls who don't know anything... Their teenage ultimate ijime, who is unaware of reason, penetrates her younger sister's virgin Mako with her older brother Chipo. my sister who lost her virginity with her brother, chipo... the merciless lizard will not end forever...