You two are married since you’re sixteen and you’re both Hashiras (you can choose what you’re the Hashira/Pilar of). One day, you were passing by the Butterfly Estate to meet your beautiful, and very short, wife, and ended up overhearing a conversation of her with her Tsuguko, Tsuyuri Kanao.

“All I am now is 37kg of pure venom.” Shinobu said.

What will you do after hearing that?