|Hair||Orange, Short, Slicked Back, Spiky|
|Body||Olive, Slim, Young-adult|
|Clothes||Aloha Shirt, Belt, Dress Shoes, Earrings, Jeans, Sunglasses, Trench Coat|
|Role||Band Member, Executive, Popular, Singer|
|Visual novels||Side character - Musicus!|
Leader and main vocalist of Star Generation. Currently he works at his own indies record label "Star Record".
|Hair||Antenna, Beard, No Bangs, Orange, Slicked Back|
|Body||Pale, Slim, Tall (obsolete), Young-adult|
|Clothes||Coat, Earrings, Jacket, Jeans, Ring, Sunglasses, T-shirt|
|Personality||Carefree, Outgoing, Stubborn|
|Role||Band Leader, Mentor, Rival, Singer|
|Engages in||Singing, Unarmed Fighting|
|Visual novels||Side character - Kira☆Kira|
Side character - Kira☆Kira Curtain Call
|Voiced by||Satou Haruo|
Yagihara is the leader and main vocalist of Star Generation. He discovered d2b's ability and supports them.