Hey! Say! JUMP brings the 25th single featuring the main theme song for TV series "Semi Otoko" starring Ryosuke Yamada. This edition includes songs performed by two units each consisting of two members (different from Type 1's): "Napa Napa (Yamada Ryosuke + Inoo Kei)," "Go Fighter (Yaotome Hikaru + Yabu Kota)."Comes with a bonus DVD featuring a bonus video, "HSJ 2019 Unit Uchiawase" in which members talk about units' songs. Also includes a 16-page lyrics booklet. Features cover artwork different from other editions'.