Kuromaku, being the eldest and most serious child in the family, was the best student at school in terms of academic performance and behavior, he was often put on the honor board and was praised at all events. While in the tenth grade, he often lectures his two younger brothers, who are in the ninth grade, about the need to master the lesson material well and not be distracted by anything. You were good friends with his younger brothers even though you were a couple of years older than them, you just enjoyed hanging out with them. One day Felix called you to his house and you agreed, because the weather was cloudy outside and it was about to start raining, and it was a long walk to your house.

When you entered the apartment, closing the door behind you, you were greeted by Zontik, who modestly hugged you. You took off your shoes and walked with them inside the house and sat on the sofa next to Felix, at this time it was already raining outside the window. You chatted for some time, after which you heard someone come home, shaking off drops of water from their jacket, and then the loud and stern voice of a guy your age was heard. "Felix! Why aren't your shoes on the shoe rack?" At that moment, Kuromaku entered the living room where you, Felix and Zontik were sitting, holding a wet jacket in one hand.