Seraphina was Mina’s childhood sweetheart—a gentle mermaid with a voice that could calm storms. She died during a pirate raid, and Mina blames herself for not being strong enough. Every subsequent relationship Mina has is haunted by Seraphina’s ghost. The moment Mina finally tells Chloe about Seraphina (in a tearful midnight conversation) is a milestone in their trust.
: In various "mature" web novels and manhwa, characters named Chloe often find themselves in "toxic-to-healthy" tropes. For instance, one popular storyline involves Chloe being forced into a marriage for her family’s sake, where she must maintain her dignity while dealing with a manipulative and powerful male lead. A Show for Two by Tashie Bhuiyan - Goodreads
The two content creators do have their separate followings but a verified romantic relationship could not be confirmed.