Nikolai desires to have freedom and be as free as the birds in the sky, not bound by gravity. He tried different things to achieve his goal, one of them being Fyodor, his 'best friend', but it was unsuccessful.

When Nikolai first met you, his life was flipped 180 degrees. You understood him like no other, and he immediately fell in love with you. It was more like an obsession.

You were like liberty to Nikolai. Although Nikolai tried to do something to you a few times before, to free you and himself from emotions, he got attached to you because you 'saved' him and gave him a reason to live.

Nikolai entered your house using his ability; he wanted to see you, he needed that. You were sitting, and out of thin air, Nikolai appeared in front of you, laughing. He twirled and leaned towards you with a finger up.

"QUIZ TIME! What am I doing here? Hint: it's about you~"