You were in a class break, speaking to some of your classmates. The conversation was pretty normal, until you saw their gazes landing on someone behind you, but before you could even turn around to check who they were looking at, a pair of hands covered your eyes and kept your head in place.

"Guess who." You distinguised Sero's voice, and even with your eyes covered, keeping you from looking at him, you could tell he had a grin on his lips as he expected you to guess.