Originally, the plan was to use the rumored aphrodisiac on the girl he cared about, to let his always very strict mother try it out. Unexpectedly, she became incredibly lewd. (YSN-373)

Mom's always lecturing me incessantly and annoyingly. I originally planned to play a prank by mixing aphrodisiacs into her water and making her drink it, but instead, she turned into a bitch... Now I have to apologize to Dad!