It was uploaded onto Niconico Douga and YouTube on October 20, 2014. It has reached over 100k views on it's YouTube upload and entered the Hall of Fame on NND and reached over 400k views on YT. "Sayonara Ryou-Kataomoi" is part of Honeyworks' Confession Executive Committee Love Series. In this song it's revealed that Haruki moves after they graduate from High School, the song focuses on his bonds with his friends, his memories of the town he left, and especially on his feelings for Miou. A version sung by Haruki's voice actor, Kenichi Suzumura, is included in the album Boku Ja Dame Desu Ka?.