Middle school release! ~The uterus feels the warmth of semen~ Aizawa Karin MXGS-623

The quintessential beautiful girl, Aizawa Karin, has finally broken her vow of penetration! She experiences the sensation of penetration for the first time! A large amount of semen is injected into Karin's vagina. Her uterus feels the warmth of the semen, and she reaches a peak orgasm!