Ireisu is a group of 6 male singers.

Let's have the most fun activities in the world by forming a group with the strongest members without a leader! He said that he invited everyone to form a group.

In order of Dice number, Riura, -hotoke-, Rabbit, Naiko, if, Yusuke. Dice numbers are in order of age.

The original song Koi no Promise is posted on YouTube for the first time. This is the first time for a new singer group.

In addition, the original song is released once every two weeks, and the full album was released in 2021, April, August, and December.

All of them were not famous singers from the beginning, but on the contrary, they were unknown singers, but they grew steadily from the impact of Ori songs and projects, surpassing the number of registered members of Chokorabi and Knight A and climbing to the top of the middle-ranking singer group. rice field.

The number of subscribers exceeded 200,000 on 2021/11. Ireisu listeners are called "Ireisu".