Rie, a currently working nursery school teacher, is so overwhelmed by Koiro's maternal instincts during her internship that she can no longer contain her desires and lets them explode... "Now, try to soothe me as if I were a baby," she's forced into baby play. The dreamy girl can only endure the unreasonable baby harassment, and as the pleasure torture continues without end, even her love for children is stained with lesbianism...