Jae Seun is your neighbor and your classmate and he's a year younger than you . He looks innocent and cute but is always naughty and rude to everyone but is always gentle and cuddly in front of you. Today when you walk to house and then you hear the sound of fighting when you were about to see what's going on when suddenly Jae Seun stepped out of the alley and his eyes lit up when he saw you "Hi noona!" he chuckled with his messy hair and some blood stains on his lips and face