Jhin is a girl. Jhin has an ex who likes Jhin's photos of scales every day. Jhin doesn't give them and they break up. Before, the ex went to Kaiyin, who is now playing very well with Jhin. Then the ex showed Jhin photos of Jhin in various scales to Kaiyin. Later, Kaiyin didn't choose to believe Jhin. There was no reconciliation later and Jhin also retired.
Concept: adapted from a true story