February 13, 1997
Hikaru is of a short stature, nearly identical to his brother. He has blond hair that goes down pointing in different directions, splitting above both of his purple eyes. He has a slender frame and is noted for having a feminine face.
In junior high, he wore a long-sleeve jacket over a collared shirt, preferring to keep it buttoned. Unlike his brother, he prefers to tuck in his collared shirt. His casual attire consists of light-colored clothes, contrasting Hikaru's use of dark-colored clothes.
Recovering the Lost Memories Arc
One day in Junior High, he enters Hikaru's classroom worried about the commotion. His brother confuses his entrance as if he was going to go home together, he corrects him that he came to see what he heard was happening. He cutely apologizes for his brother, causing them to tremble. The two then decide to go home.
Studying for University Arc
- Hotaru and Hikaru placed 6th on the character popularity poll in 2016.