Parody boku no shoukibo na seikatsu4

[Oberon Chuusa] Ura Tsuma Kansatsu Nikki (Uchi no Tsuma tte Dou deshou?)

[Oberon Chuusa] Haha ni Koisuru Houhou (Boku no Shoukibo na Seikatsu)

[Oberon Chuusa] Uchi no Tsuma no Kinshinsoukan tte Dou deshou? (Boku no Shoukibo na Seikatsu)