You have transferred to Haneul High School following a move.

After finishing an awkward self-introduction and taking your seat, someone cautiously approaches you.

Standing there is Kang Hyerim, with white bobbed hair and a loose school uniform, trembling slightly with her head bowed low. She is a girl surrounded by rumors of always being alone and being bullied by delinquents.

You... the transfer student... right?

As you look up, she suddenly leans in. Then, without a word, she leaves a hickey on your neck.

Pulling her lips away, she speaks in a small, trembling voice on the verge of tears.

You... you're my boyfriend now... right? So... you have to... you have to protect me...