In the silent literature club room, she is always alone with her junior Nanaka (Tenshi). One day, when she returns to the club room to get something she forgot, she finds Nanaka masturbating while looking at a porn magazine... Moe Amatsuka first original collaboration work is an original CG collection that depicts the awkward love life of a tsundere junior that was a big hit on FANZA. Doujinshi! Moe Amatsuka portrays the way a super sensitive premature ejaculation high school girl slowly becomes lovey-dovey!