|Real Name||Seikai Aoyama|
|X-Rares||The GiantHero Titus|
Seikai Aoyama (青山静海) is a character in the manga series Batosupi! We are the Battle Spirits Club.
She has short blue hair (which used to be longer) and blue eyes. Her school uniform is a white shirt and tie with a grey skirt.
Aoyama is a blue card battler that the girls met at the beach. She actually battled Shion previously in a tournament, but she looked completely different back then.
- Her name is a play on Ao, meaning blue.