Sunggyu hates Dongwoo upon his arrival but learns to love him after some time together.         

Dongwoo runs away constantly trying to find  sanctuary not realizing it's been with him for the past  seven years

SungJong gets curious of the guy that he sees at the park. He sees him continuosly writing in his notebook. He decideds that he wants to know what the stranger is writing and his whole life slowly changes.

dongwoo and sunggyu meet at a party and don't really get along from the start but that'll change over a night.

Sungjong always hated the rain, and he just found another reason to hate it.