ADN-802 I fell headlong into a secret affair with a teacher from the nursery school my son attends. — Waka Misono

For Oki, a working father, dropping his son off at daycare on his way to work is part of his hectic morning routine. His relationship with Waka—his son's teacher—had always been the standard, polite dynamic between a parent and a childcare worker, limited to casual, everyday small talk. However, after not seeing Waka at the center for several days, he finally encountered her again, only to find her lacking her usual cheerful energy. When a concerned Oki asked how she was doing, Waka confided in him about a tragic event that had occurred recently. Catching a glimpse of the vulnerability hidden beneath the cheerful, dependable persona of Waka-sensei, Oki found himself unable to simply walk away; despite fully understanding the boundaries of their respective roles, he ended up crossing the line...