JoJo's Pitter-Patter Pop!/Koichi Hirose

Koichi Hirose (広瀬 康一) is a playable character in JoJo's Pitter-Patter Pop! with four different units. His first unit is Bronze Rarity (BR), his second and third are Gold Rarity (GR), and his final one is Double Gold Rarity (WGR) alongside Yukako Yamagishi.

Koichi was one of the first 30 playable units available when the game launched on October 10, 2018 with his "Body-Penetrating Sound" unit.