Also known as: 永吉将人, 永吉大輝, 永吉祐翔, 永吉颯太
They are characters from Idolmaster Million Live! and are the older brothers of Nagayoshi Subaru.
- Eldest brother : Masato (将人)
- Second brother : Daiki (大輝)
- Third brother : Hiroto (祐翔)
- Fourth brother : Souta (颯太)
The appearances and names of all four of them have been revealed, but it is currently unknown which names correspond to which characters.