MIAB-558 Only I (the Summoner) can see the succubus being secretly milked. Forced to ejaculate in front of everyone during my school life. Sakurai Kurumi - Kurumi Sakura

[12 embarrassing ejaculations, even in class, right next to my girlfriend!] Ah, it's embarrassing in front of my friends... but I still can't help but wiggle my butt, completely exposing my penis! ...Cute...Erotic...! I don't care about getting expelled or anything, I just want to ejaculate inside this girl!! ...One day, walking to school bored as usual, I picked up a suspicious book on the street and found that it seemed to have some kind of spell written inside...