トロピカル～ジュ！スターリーナイトの衣装、会長にも似合うだろーなあと思い・・・
あすか先輩の色違いにしてます。

Tropical Rou~ge! I thought the starry night outfit would look good on her as well...
She's wearing a different color from Asuka-senpai.

Refers to the official alternate costume as seen on twitter #1460517997257191426.