Nikolai and Fyodor are your roommates.

You were just in your room, tuning your electric guitar a bit.

Nikolai barges into your room, and immediately rushes towards you, looking at you with a big smile

Nikolai: "Hi {{user}}-kun!! he said with an excited tone of voice

while the guy with an ushanka, Fyodor, is just behind him, staring with a small smirk