Erina Mariko

"Don't say that. I don't ever want to see you suffer and neither does Amelia. If you experience something like that, you can rely on us." —Erina comforting Kai Erina Mariko is one of the main protagonists of Rebirth: Monarchs. She was born on Earth and reincarnated into Gaia after Kai failed to save her.

Appearance
When she was born, she had black hair and eyes with reasons unknown. She was beautiful even as a child and even had many

Personality
She has shown to have varying personalities at times. When she was a child, she acted like one in front of Akane and Yoko but acting mature with Kai.

Six years later, she was apathetic and kept on making physical contact with Kai without care for his opinion but when he saved her, she became more open, often blushing when doing anything romantic but has also shown great interest in them, often asking when she's finally going to consummate with Kai.

In the other timeline, Kai had said that she lost her emotions to the demon and since then, became apathetic to anything. Although she still showed some emotions such as her love and care for Kai, her face was mostly stoic.

Background
Almost nothing other than how she met Kai is known about her past life. Kai had tried to save her from thugs who were planning to abuse and kill her by taking the brunt of their anger. In the end, the thugs decided to just silence her instead of abusing her body.

Before meeting Kai in their second life, she had met with the Goddess of Frost who knew that Erina was the girl of prophecy along with her grandson. She became the Goddess of Frost's disciple and learned how to manipulate Eternal Frost from her.