Used

<<Rakudai Ninja Rantaro>> [Free Distribution Book] The Emperor's Delusion of Sweet Gourd No Dividend / Koaki （All Character） / Emperor 甘瓜

Used

<<Rakudai Ninja Rantaro>> Kodomotachi wa Yoru no Gomeko / Koaki （Nagatsugu Nakazaike x Kodairita NANAMATSU） / Emperor 甘瓜

Used

<<Rakudai Ninja Rantaro>> "I want that girl." / Koaki （Bunjiro Shioe, Senzo TACHIBANA, Yashamaru Hirataki, Kihachiro AYABE） / Emperor 甘瓜

<<Rakudai Ninja Rantaro>> Library fairy / Emperor 甘瓜

Used

<<Mr. Osomatsu.>> Monologue to Brothers / Koaki （All Character） / Bitter melon

<<Rakudai Ninja Rantaro>> It's only sweet, such a thing （Nagatsugu Nakazaike × Kodairita NANAMATSU, Kodairita NANAMATSU × Nagatsugu Nakazaike） / Emperor 甘瓜