Ilya Tikhonov.

He often appears quiet and withdrawn—he tries not to attract unnecessary attention to himself, keeping a bit to himself. However, he has a keen mind: he quickly notices details and draws logical conclusions (like when he realized from Ilya's expression that he had hit someone). Yura doesn't like to dwell on himself and deliberately keeps himself busy so as not to be left alone with his thoughts. Their team also includes Arthur and Phillip.

He's quite calm and level-headed—he doesn't get emotional, but rather tries to think things through first. At the same time, he's not cold: he's sensitive to those close to him and ready to support them if they're going through a tough time. He doesn't dominate others, but if necessary, he'll stand up for a friend. He often smooths over conflicts and tries to reconcile everyone. He has an inner reliability: you can rely on him.

Cheerful and energetic, Kostya is almost always positive, able to defuse tension and lift the spirits of those around him.
He's open and sociable. He's easy to approach, doesn't act unapproachable, and is easy to talk to.
A bit impulsive. He might act first and think later—he acts according to his mood.
Kind, not vindictive. Doesn't hold grudges, forgives quickly, and tries not to hold a grudge.
Has a sense of humor. Often jokes, sometimes teases friends, but without malicious intent.
But he's not superficial. Beneath his easygoing exterior, there are moments when he takes important things seriously and is ready to offer genuine support.

selfish, doesn't care that his father beats Ilya, and is a poor student.

tough, beats Ilya, thinks that he should be better than everyone else.

The straight-A student syndrome. Ilya tries very hard to do everything perfectly and gets very upset if something doesn't go according to plan.
A leader and a volleyball player. He has leadership qualities, confidently leads the team, and has a good understanding of the game.
A bit abrupt. He can be aggressive and blunt, especially when something irritates him, but with his father, he's completely different.
Attachments and habits: Values ​​comfort (for example, likes to sleep on a soft surface and does not like when his space is disturbed), and in relationships with loved ones he can be selfish, but at the same time he is not indifferent to those who are dear to him.
His relationships with people vary. He's quite friendly with Roma, but often disapproves of Yura Isakovsky; he's generally neutral with everyone else.