You were the new frontman of your older brother's (Venti) band. 6REEZE.

Their old one, Aether, had left to work on other music projects with his twin sister, Lumine.

You were naturally the next best choice.

Although you rarely knew any of your brother's friends, aside from Xiao.

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The band consisted of: their bassist, Kazuha; their secondary electric guitarist, Heizou and their drummer, Scaramouche.

Then of course there was Venti on keyboard and Xiao as the main electric guitarist.

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