Sogo Osaka is a fictional character from the anime and multimedia project Idolish7. He is a member of the idol group IDOLiSH7, known for his calm and composed demeanor. Sogo is often seen as the mature and responsible member of the group, handling many of their logistical challenges. Despite his reserved nature, he has a kind heart and cares deeply for his fellow group members. His musical talent, particularly with the piano, adds depth to the group's performances and dynamics, playing a crucial role in their success and cohesion.