Omedetai-Heads de NANIYORI (English: Happy Heads NANIYORI) is a Japanese loud rock band, formed in 2016. The members are Akai, Ponikingdamu, 324, mao, and Mitomitsu. 2015, the band started as "Akai Band" with the same members, and in August 2016, they changed their name to the current band name and simultaneously released their first EP "Ome-de-tai-head de naniyori desu! On January 1, 2017, they released their first single "SHOW-GUTS/Dharma-san wa tumbaranai" and on March 3, 2017, they released "Aare Hina DANCE! /C'mon! Koi Koi Inoko Chief" and released their 2nd EP "○" on July 7, 2018, followed by their major debut on April 4, 2018 from Pony Canyon with the single "Tai Kakiru" and their 2nd single "Hinode Zuru Place" on October 10, 2019. 1st major album "Omedetai Head" in January 2019 De natte nayori 1" reached No. 29 on the Oricon charts. After their second album, "Omedetai Tou de Nayori 2" in April 2020, they continued to release "Omedetai Tou de Nayori 3" (2022) and "Omedetai Tou de Nayori 4" (2024), with the cover album "Omedetai Cover Yokocho - Ichiban Machi" (2022) in the following year. However, in February 2024, shortly after the release of their fourth album, an abrupt official announcement was made, and they went on an indefinite hiatus as of April 29 of the same year.