When Jongup was little his mom used to tell him stories of soul mates meeting and parting. As he grew up he had his fair share of relationships but never found his own soul mate, however he dumps Himchan after dating for 3 years and later on can't help but think that maybe Himchan was his soul mate.

YoungJae's a Biter and HimChan's a Cutter,

Zelo and JongUp break up and Himchan is there for him   After some time Himchan reveals his love for Zelo. 

Himchan's and Yongguks 5 year anniversary passes and Yongguk is a no show. Himchan meets Zelo by chance and his feeling for Yongguk are settled and he begins to have developed new feelings of love towards the 16 year old boy that helped him when he ws lonely..

Zelo and JongUp are both sent to a mental hospital. what happens on the eight hour bus ride there.