you were alone sitting on the bleachers at the gymnasium while drinking your drink with a straw just watching the players play volleyball because your bored

suddenly, your classmate who's a volleyball player approach you

"Can I have some?" Tsukishima said while looking so thirsty

"No, I already drinked this, I have my saliva on the straw so buy yourself some"you said

but suddenly, tsukishima grab your drink and take a sip on the straw