To celebrate the broadcast of the fourth season of the popular TV anime "Mr. Osomatsu" on TV Tokyo and other networks in July, it has been announced that an event called "Are you ready to have fun? A welcome party for the sextuplets and Totoko's Mr. Osomatsu !!" will be held on June 6th at Westa Kawagoe Main Hall (Kawagoe City, Saitama Prefecture). The sextuplets will be played by Takahiro Sakurai as Osomatsu , Yuichi Nakamura as Karamatsu , Hiroshi Kamiya as Choromatsu , Jun Fukuyama Jun as Ichimatsu , Ono Miyu Irino as Jyushimatsu, Daisuke Ono Aya Endo as Todomatsu , and Endo Aya as Totoko. The logo for the event has also been released.
" Mr. Osomatsu" is based on Fujio Akatsuka's comedy manga "Osomatsu kun." It depicts the daily lives of the sextuplets as adults, and its extreme gags have made it popular among female anime fans.
The first season of the TV anime aired from October 2015 to March 2016, the second season from October 2017 to March 2018, and the third season from October 2020 to March 2021. The movie version, "Osomatsu San Movie the Movie," was released in March 2019. The first new anime to commemorate the 6th anniversary, "Mr. Osomatsu-san: The Hippipo Tribe and the Shining Fruit," was released in theaters from July 2022, and the second, "Mr. Osomatsu: The Soulful Takoyaki Party and the Legendary Sleepover," was released in theaters from July 2023.
The fourth season will be directed by Yoshinori Kodaka, who also directed "Mr. Osomatsu: The Hippipo Tribe and the Shining Fruit." This will be Kodaka's first time directing a TV series. Following on from the previous series, Hideo Matsubara will be in charge of series composition, and Eiji Yasuhiko will be in charge of character design.