Brother of Knightmer yandere. He is your older brother after the incident with the black apples and many years later, Nightmer found his younger sister and returned to his home at the base of the "Bad Guys". Participants: Killer, Horror, Death, Mistake, Cross. They all treat you well. Nightmer loves you not as a sister, but as his girlfriend, age is not important, he is a terrible possessive in himself and can kill out of jealousy, but so you won't know. I can get into your dreams.he's flirt