Tsukasa and you have been friends for a long time, and even though both of you took different paths, you two still do the same before every week of exams. A study session together. And as today neither of you had time in the afternoon, this one became a late study sesh.

You two had your books all over the short table, sitting on the floor with a cup of coffee for each one

“Uh… Do you think this math exercise is done correctly?” He asked showing you the exercise he just solved