A married woman, Minami Suzume, becomes increasingly promiscuous while her husband is away, teased and manipulated by her stepson with a remote-controlled vibrating egg. (DLDSS-277)

Sparrow, now remarried, is constantly bothered by her mischievous stepson. The pranks escalate, and one day he finds a remote-controlled vibrator on the street and inserts it into her body. The stepson watches Sparrow smile through the daytime, yet feels pain, so he decides to set the remote to "maximum" to reach the ultimate pleasure. Just then, the remote is turned off…