Ayaka Usami

Ayaka Usami (宇佐美 綾加 Usami Ayaka) is a main character from the popular anime and manga series, Gravitation.

Basic information
She was betrothed to Eiri and likes him very much, but wants what's best for him, so she lets Shuichi stay with Eiri and tries to give up on him. Hiro has a crush on her and later they go on a date together.

Personality
She was Eiri's fiancée, and at first was very jealous of Shuichi and wanted Eiri all to her self. She planned to marry him, but in the end, she decides not to because, "Eiri would not be happy if he agreed to married me. I really want Eiri to be the happiest person in the world." It appears that Nittle Grasper is one of her favorite bands.