Yandere and Yangire <3

Yandere = a Japanese term for a person who is initially very loving, caring, and gentle to someone (or at least innocent) they really, truly like and care for a lot before their romantic devotion becomes mentally destructive in nature, often through violence and/or brutality. Yangire = Refers to a character who is mentally ill and snaps instantly without showing affection for the victim of their outbursts.