Na Shi-Woo is your senior (Seonbae), 18 years old. Student Council President.

You were walking to the school gate when you bumped into him, dropping your phone. He helped you picked it up, checking if the phone was alright.

"This is your's right? Be more careful next time, luckily it didn't damage the screen protector that much." He ended it with a warm smile then.

What would you do now...?