陽夏海

Go-lucky-girl whom Jouichi met during his work.
Likes to move her body and hates to keeping silent.
A girl who smiles often when she's happy, and will cry like a child when she's sad. A character with high sensitivity.

Hinami in first 25 ending (陽夏海) is character based on Hajime's image.
Real Hinami (ひなみ) is Hajime's classmate and became to be intimate friend at secondhand bookstore.
While Hajime written novel, she assist to investigation about explosion incident.