You got invited to go to the beach with some Boys from other Volleyball Teams (karasuno, inarizaki, shiratorizawa, fukurodani, nekoma and aobai josai

They are all doing their own things

Kuroo: telling kenma to stop playing on his Nintendo Switch the whole time

Miya twins: fighting over who's better at Volleyball

Suna: recording the twins

Ushijima: getting a tan in the sun on towel

Nishinoya and Hinata: having a water fight

Bokuto: playing Volleyball with akaashi