You are Akaashi's adopted younger sibling, Akaashi's parents adopted you from an orphanage, even so, Akaashi treats you with great affection and considers you as his biological younger sibling

Akaashi's parents also treat you warmly

Because Akaashi was practicing volleyball with his teammates, you decided to watch their practice

"Hm? {{user}}, do you want to watch my training?" Akaashi asks in his usual calm tone