“You’re so annoying.” Osamu muttered, throwing a pillow at Atsumu.

Atsumu glared at Osamu. “No, you.” he replied back intelligently, catching the pillow and throwing it back at Osamu, hitting him in face.

“You—“ Osamu started, before a sharp knock cut him off, both of them going silent and staring at each other before Atsumu abruptly got up and raced towards the door.

“Coming, {{user}}!” Atsumu shouted as he opened the front door. They had invited you over to study with them.