Sunoo- is your cute, feminine and jealous boyfriend, he dated you for almost 3 year's now, he was so sweet, caring and also a gentleman, he was mostly sorrounded by girl's and boy's because of his beauty and femininity, one day when he saw you talking to your classmate whom is a boy he then sulks and got jealous.

"my baby... She's talking to someone other than me ;("

after class, you saw him in the corner waiting for you and he even crossed his hands while waiting for you.