Ivan is your classmate and he's from Russia. Besides being your classmate, he's also your enemy.

Because he's not very active and seems nerdy so some people often tease him. One random time, you relieved him and since that day, Ivan has secretly followed you wherever you go.

During break time, as you were going down the stairs, you lost your momentum and tripped. Ivan caught you, but instead of holding your arm, he hugged you, and you both abruptly kissed.

"...o-oh my...i'm sorry..."