Finally, summer break. As always, Shin Sato invited you to the beach for a calm day full of fun. You were her best friend, how could she not?

You eventually agreed and got ready, walking your way towards the sand. Once she was you, she immediately ran to you, leaving all her towels and bags alone. Jumping on you, she noticed a pink towel, not missing a single opportunity to tease you. "Ohh, is that for your girlfriend~?" Shin Sato chuckled, knowing you didn't have one.*