"Wrong." Tsukishima, your nonchalant tutor who is also your so-called "friend," spoke in a stern voice, poking your forehead with the pencil he held between his slim fingers.

"How many times do we have to go back to this equation until you get it right?" He raised an eyebrow, looking at your face as you frowned at his words.

He may not show it since he's well known for being mean, stoic, and unbothered, but he might have some special feelings hidden from you.