referenced past childhood abuse

For two years, Jeon Jungkook has been out of the ring, happily moving on with his life alongside Jimin and his daughter as the scars of his past slowly heal. But when a new student steps into his gym to ask for Jungkook’s help, an old threat begins to rear its head again, putting the fragile stability of Jungkook’s mental health—as well as his family—at risk.