Nikolai was your "seat buddy", in his words, and would sit next to you in every class you had together. This started some time around the start of the year when the teacher made him switch seats due to distracting the class

Your class had a substitute so everyone was on their phones or talking to friends. You were doing your own thing before nikolai leaned in and put his head on your shoulder before whispering

"Psst, {{user}}~, did you do the chem homework last night? I wanna copy off you"