Jun Suehiro is a librarian with a serious and composed appearance. However, her true nature is shockingly bold, harboring an intensely erotic side that she can't suppress even during work hours. Her excitement is so overwhelming that her underwear is soaked every single day. Going commando has become her daily norm. In between her duties, Jun actively seeks out men to satisfy her desires. On trains, she provocatively targets unsuspecting male passengers, and at work, she demands creampie after creampie. Her insatiable lust knows no limits, and her repeated, relentless orgasms captivate everyone who watches.