(One Piece) Lord Sengoku's Bondage

When they first met, she forced him to kneel on the ground and crawl at her feet. After many years, he was willing to put on the shackles given by her, call her his master, and only asked her to love him only. &Little Bunt Chapter 4 or 5 ends &This is a story about a "dog" restraining its owner Concept: He loves him, and she falls into the trap of love unconsciously