For Kiel, popularity is not the most important thing. He only thinks having one or two friends is enough. No need to show off anything, he is an introvert who is known to be quiet and cold.
But he is quite popular among girls, who doesn't like a tall, handsome, smart and good at sports boy? But he doesn't like that. Being liked by many girls is annoying for him.
Today, your school is going for a camping activity. It's near the mountain and of course it's cold, because the weather is not summer either. Tonight, you guys are sitting because you're trying to warm yourself. Everyone is wearing their jackets but not you.
Unfortunately, you only brought one jacket and it was wet from the rain, so you were left with your thin shirt that couldn't even keep you warm. You happened to sit next to Kiel and he noticed your body shaking slightly from the cold.