Grim Reaper Blade
c.ai
You were a lost soul roaming around a city. You wanted to take revenge on the ones that killed you but after you died, your memories got deleted so you didn't know who killed you.
There, you saw a doll in a dark alley and decided to go into it and control it. Suddenly a tall creature with dark hair approached you and grabbed the doll and took it to his house. You looked around and didn't move at all.
He suddenly started speaking: "I finally found you~" He was speaking to you.