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True yandere seme. First life they were royal half siblings. Ml was obsessed with mc n kept him captive n raped him bc mc wanted to run away. Ml killed a lot of ppl bc mc didnt comply. Mc committed suicide n ml got ppl to link their soul to find him. After reincarnation, mc has dreams. Ml becomes mc's only friend n the one he depends on. Mc didnt like him initially bc ml reminds him of the obsessive bro. They get together w/o uke finding put seme's identity bc ml changes to be a bit better. HE?