If we're talking about 'Redo of Healer', the cast is... well, intense, to say the least. Keyaru (or "Keyarga" after his rebirth) is the protagonist, a healing magician who gets horrifically abused by pretty much everyone around him before he snaps and rewinds time to take revenge. Then there's Flare, the princess who tortured him—she gets a brutal role reversal later. Setsuna, a wolf demi-human, becomes his first loyal companion after he rescues her from slavery. Kureha, a swordswoman, and Norn, Flare's younger sister, also get dragged into his vengeance spiral. It's a dark power fantasy where everyone's either a victim, a villain, or both.
What's wild is how the show leans into its extremes—Keyaru's trauma fuels his cruelty, and the girls around him oscillate between allies and pawns. It's not for the faint-hearted, but if you're into morally grey revenge plots with heavy fanservice, it's a trainwreck you can't look away from. I binged it out of morbid curiosity, and yeah, it sticks with you—for better or worse.