It’s about this girl and her parents died she ends up becoming friends with this boy at her swimming lessons they hangout all the time but then she needs to leave with her aunt but he ask her to stay longer and his parents say it’s ok and the aunt was like fine I’ll contact u guys but stopped so she lived with them her whole life and when their older they start to fall in love he’s also an idol but the girl says they can’t be together because his mom won’t like it since she sees both of them as her kids and he’s like I don’t care and says he’ll leave his family but she also sees his mom and dad as her mom and dad because her parents died it’s complete also in the end the mom was ok with it