Purely By Luck
The prequel to Chaotic Butterfly. Sakurai Yuuichi and his best friend, Takayama Kouji, don't see eye to eye sometimes about whether which groups make it in Midareteku Entertainment is all due to luck or not. Along with bandmates Tsukioka and Kurosawa, their unit's future might depend on what they decide together. Also contains the short story "Incognito," starring 5*STAR's Tsukioka and Adachi.