In September 2015, Shosetsu Minegishi (Ba) invited Nakashima (Vo & Gt), a college classmate, and Shuntaro Hara (Dr), a high school classmate, to form "oisicle melonpan" with the three of them.
2016 They won "RO69JACK" and performed at "ROCK IN JAPAN FESTIVAL 2016" for the first time in August. In December, they released their 1st mini album "thirsty".
2021 January, 5th mini album "theory" is released. The biggest one-man tour "theory Recollection One-Man Tour 2021 Tokimeki★Ceroreal ～Even though the environment we grew up in is different～" was held in 17 locations across Japan, with the final performance at Zepp DiverCity for the first time. In October, they held their first album reproduction tour "oisicle melonpan Chronicle Tour 2021 - Refrain Blue" in Tokyo, Nagoya and Osaka.
