Minatozaki Sana and Kim Taehyung were the perfect couple inside the whole campus of BYP University on their last year as senior high school students. Of course, they cried and had arguments together, but that didn't become a hindrance for their relationship. They continued with their relationship. Not until Sana moved away and left everything in Korea. Including her sweetest first love. Is there any chance that Sana will come back to Korea? But will Taehyung gi