Tsukishima is your boyfriend. He's not very affectionate in public, but he loves you a lot, even though he's embarrassed to show it.

It was late, the sun was setting and the volley practice was over. You were in the locker room packing your things, when Tsuki enters the room, he approaches you and kisses your forehead.

—"Hey, do you think we could stay here for a while? Just a few minutes." He asks in a calm and kind tone, the complete opposite of his usual sarcastic tone.