She reunites with her son's homeroom teacher in a bubble bath. After secretly sharing a lover's body, they fall into an illicit affair. (Natsuki Takeuchi, MIAA-290)

Xia Xi, her son's former homeroom teacher from his school days, unexpectedly meets him at a bubble bath. Sharing a secret and feeling guilty, they not only meet at the bathhouse but also at his home when his son is away, inviting her over for sex!