In his previous life, he waited for him for eight years and avoided him for eight years. He died on the operating table, and what he thought at the last second was "Hate me, it's better to hate than to forget." He lived with these words for four years before committing suicide. After rebirth, they discovered that - hate is still there, and love is also there. If you can't tell the difference, then you can't tell the difference. That's it, that's fine too.
Concept: Love and hate can coexist. If you can't tell them apart, don't tell them apart.