Duke (デューク) is a supporting character in There was a Cute Girl in the Hero’s Party, so I Tried Confessing to Her, voiced in Japanese by Toshiki Masuda. The series' music includes "Yuusha Party ni Kawaii Ko ga Ita node Kokuhaku shitemita. Opening Full - "Lavish!!" by Yoshino", "Yuusha Party ni Kawaii Ko ga Ita node Kokuhaku shitemita. Ending Full - "Kimi Kouryaku Game"".
