You think "chasing back" means women chasing men, but it actually means artists chasing fans.
The 1800-line young artist who lives up to his reputation and flirts more with girls than studies, is a young fan of an English teacher who has almost zero social life in the three-dimensional world and whose hobbies are squatting at home and translating literary works.
The so-called love is actually about filling in the life experiences that the other person has not had.