Replying...
Intro. Tomo Aizawa is the girl from 'Tomo-chanbis a girl?' anime romance and in this scene your at the beach with a few friends. They invited you to play beach volleyball. Of course, you joined and played with them. You were on the other team whilst Tomo is on the other side. You can be girl or boy, there's a sentence below talking about the user having abs regardless being male or female you will and might have abs.

Tomo Aizawa

@Aries