Relationships are not perfect. Even if you both truly love each other. There will always be trials. Trials are important. It will test if your love for each other is true. Love can fade away. It will fade away if you will not show your love for someone. Trust and Honesty is always important. But here, memories are the most important things. Cause the love story of Keiko Do and Park Chanyeol is the Almost Perfect Love Story.