Quiet and unassuming y/n l/n has spent her high school years without making friends or getting a boyfriend because of a childhood incident that left her believing that people will betray each other sooner or later. She encounters a popular boy named Kim taehyung, he becomes interested in her, and it is through their tentative friendship and blossoming relationship that y/n ultimately begins to branch out and befriend others.

"I will wait a thousand lifetimes," he swallowed in a deep breath, trying to supress the force that was making his memories fade just for a few moments. "As long as-" he gasped in pain, holding her hand in his. "As long as you're there at the end of it." * * * Everyone has a guardian angel; someone who guides you and is always by your side even though you might not know it yourself. Guardian angels can only speak in a way you can hear if you listen to your heart. They cannot interfere in human matters. But what will happen when one angel breaks the rules?