The official X (formerly Twitter) for the Mr. Osomatsu anime franchise announced today that the six-member Japanese boy band DA PUMP will perform the opening theme song for the upcoming fourth season of the TV anime series, titled "Osomatsu-san no Bom-Ba-Sheeh!" "Osomatsu-san no Bom-Ba-Sheeh!" is a cover of a foreign song with Japanese lyrics written by m.c.A.T. , who was the producer of DA PUMP in their early career from 1997 to 2003. Part of the song will be revealed on June 6. In a visual posted on X, the six members of DA PUMP cosplay as Iyami and are striking his iconic "Sheeh!" pose together. RELATED: Mr. Osomatsu Season 4 Anime Unveils New Teaser Trailer, Visual DA PUMP leader ISSA said, "Master m.c.A.T. put his skillful Japanese into the lyrics of a foreign song, and the sextuplets joined in to make it a very lively and enjoyable song! We hope you enjoy our playful spirit, visuals and dance." Mr. Osomatsu , the TV anime series inspired by Fujio Akatsuka's classic manga series Osomatsu-kun , has aired for three seasons between 2015, 2017 and 2020. A feature film titled Mr. Osomatsu THE MOVIE was released in Japan in 2019. The fourth season of the TV anime is set to premiere in July 2025. Crunchyroll is streaming the TV anime and the feature film, and describes the series as such: Mr. Osomatsu is based off of the gag manga series Osomatsu-kun by Fujio Akatsuka, and ran from 1962 to 1969. The series features a set of sextuplets, the Matsuno brothers, with Osomatsu being the oldest brother and leader of the group. Source : "Mr. Osomatsu official X (formerly Twitter) ©Fujio Akatsuka/Mr. Osomatsu Production Committee
