A very good storyline and the whole execution of it was well completed. The story of losing someone precious, losing track on yourself and getting betrayed - it is the whole against you - Yoohan evolved alot throughout.
The relationship is not the basic falling in out and turning lovey dovey but more on getting to know each other and developing feeling - even though some of the action didn't make sense. How can you decide something to live with and throw and your partners stuff out