Mime is fairly neutral with most of the characters, having a slight interaction most of the time. However, with Petunia, he appears to have a crush on her. He instantly falls in love with Petunia after seeing her in I Heart U. They both visit Giggles' house together in Who's to Flame?. They even hold hands i
While the relationship appears to be great, it does have a few gripes here and there. In both in Who's to Flame? and I Heart U, Mime steadily cowards off when he has realized that he had caused Petunia's deaths. He was also suprise than shocked when he sees Petunia's dead body in Chill Kringle.
However, her side of the relationship with Mime is also not perfect. While they were in a dangerous situation, Petunia attracts attention away from Mime's death in Happy Trails Pt. 1. She also likely broke up with Mime after he kills her in I Heart U, seeing how she started dating Handy in later episodes.