>>720745823
She is the demon Lilith from Babylonia though she got mixed with some aspects of the biblical Lilith.
Lilith got to know of Mashu and our adventures in the game, but quickly noticed Mashu is only pretending, imitating people and behaving as she thinks she should act than knowing those emotions herself. Lilith therefore identified Mashu as some inhuman creature but hates and envies her for actually being treated as a human in spite of that, while Lilith is a natural demon (even in a game with a ton of units with the trait ''Demonic'' she is the only one with the actual ''Demon'' trait, denoting a difference) and could never become human no matter how much she wanted.
Lilith is chill, somewhat teasing with other people, but with Mashu she makes a point to make her suffer. It goes as far as being repeatedly shown and recognized by Lilith herself she COULD kill off or let Mashu die at any point earlier in the chapter, but she went as far as directly save Mashu just so she'd live and suffer longer as well as flaunting to her face that she is useless and it was Lilith that saved us when we needed the most not Mashu.
While the hate gets to absurd levels, Lilith actually addresses points people were dissatisfied with Mashu through the story, which has been going on for YEARS in her stale character development, quickly earning a lot of popularity for that.