Took me a while to figure out the acronym, but I'm familiar with enough yandere characters to also know what can happen; with or without a nice boat or, pink haired girls with invisible arms.
Or have the childhood friend in the harem viciously stab you to death before your first girlfriend kills the childhood friend after the childhood friend said that she was pregnant with your child, but your first girlfriend confirms that she was lying by cutting open her womb, and the game ends by your first girlfriend cradles your severed head into her arms while sailing on her father's nice boat.