Blazing Bone

[Gender-bender harem + gradual yandere development + fantasy + no System + clear-cut good and evil]

Walk the Asura Path, killing to end killing; burn karma with fire and cleanse the mortal world.

I, Meng Nian, swear to stand at the summit of the Tianxuan Continent, protect all living beings, and purge the world of every demon and evil spirit.

The heroine cares deeply for all living beings.

The heroine has strong moral principles and will never stoop to despicable acts.

The heroine hates evil and shows no mercy when killing evildoers.

The heroine is strong-willed and never puts on a coy, petulant act.

The heroine is noble in character and never uses manipulative, flirtatious tactics to benefit herself.

The other heroine is a latent yandere at first. Her symptoms grow more severe later on, but never cloud her overall judgment. She knows what matters most.