This is a sister-brother romance, if you don't like it, don't read it
He was in the third grade when he first met her, and her height was 1.45, While she was already a junior, and her height was 1.60.
He asked her: "Do you have a boyfriend?"
She answered no
At that time, he silently thought to himself that it doesn't matter even if there is, I will grab what I envy and want even if I grab it.