Just chatting with girls makes me jealous and interfere. My childhood friend, who likes me, secretly and boldly tries to control my ejaculation at school—a page from my youth. —Shinohara Riko (cawd00212)

Riko is my childhood friend... but I'm the only one who thinks this way. When I entered puberty, she would get jealous and interfere whenever I talked to other girls, which bothered me a lot... She even said she could use her as a practice table for making love...