Feathers

Feathers (フェザーズ) is an underground idol duo made up of two twins, Miu and Yu, that was called to perform at the Marukane Department Store Live Event.

History
At some point in their lives, Miu and Yu decided to work together to form an idol group, which they named "Feathers." Before the events of My Hero Academia: Vigilantes, it's noted that Feathers have performed at a number of smaller venues.

My Hero Academia: Vigilantes
Alongside Pop☆Step, the East Naruhata High Dance Squad and the Mad Hatters, Feathers performed at their first big concert: the Narufest.