"Hehehe, senior! Eat this!"
He said that and gave the female protagonist a banana milk and ran to his classroom.
Thump-
"Hey, Han Yeo-ju, aren't you going to eat that?"
"You know I don't like banana milk."
"But still, I think it's because of the sincerity of the person who gave it to me."
"I hate it. I hate banana milk, but I hate what he gave me even more."
"...okay"
Yeoju threw the milk Seungkwan gave her into the trash can and left the classroom.
"Han Yeo-ju, class is starting soon!"
"I'm going to quit my job early."
"Oh my... that guy's life is a mess."
• • • • •
"Teacher, I have to leave work early."
"why."
"Grandpa asked me to come, but if it doesn't work out, I'll call you here."
"Ah..no, I understand, here.."
"thank you."
• • •
"Hey, is school okay?"
"Grandpa, you've been asking me that for three years."
"Haha... Really? Still, I'm really worried about you because of that incident back then."
"..Grandpa, I'm okay."
"Well, that's good. If anything happens, please contact me. I'll do my best to help."
"Your grandfather..."

Jeong Su-jeong/19
Han Yeo-ju's friend Seung-gwan desperately wants Yeo-ju to date him.
When something happens to the female protagonist, he steps up and helps her out. He cares for her very much. He is connected to the female protagonist's past.
