Who are you?

Jungkook has everything and Taehyung has lost everything.

As a child, while growing up together, Taehyung was the only one who could soften Jungkook's stubborn personality. They looked like a pair and promised each other that they would be together forever. But on a rainy late spring day, Taehyung disappeared. As if he did not exist in the world, he disappeared without a trace. There was nothing that could make Jungkook feel comfortable anymore. Jungkook's sadness and longing turned into hatred. Time passed and he became a young man, and on his 22nd birthday, he meets an unexpected person in a place where he was forced to go by his friend.
It's been 7 years...