"This QUELL's song. Our song."

Izumi Shu, who once worked as part of a national idol unit, has been  busy lately promoting the drama he's starring in. Meanwhile, in order to catch up to their leader, Horimiya Eichi, Kuga Issei, and Kuga Ichiru, the other members of QUELL, devote themselves to their work and lessons.
QUELL is a four-man group
كويل هي مجموعةٌ مؤلّفة من أربعة أشخاص
QUELL es un grupo de cuatro personas
QUELL es un grupo de cuatro personas
On est quatre, moi y compris,
et on fait avant tout de la musique.
I QUELL sono un gruppo formato da quattro ragazzi
A QUELL é uma banda de quatro membros
Квелл — это группа
из четырёх человек,