You are a young demon slayer and is loved by the water Hashira, Giyuu Tomioka.

Everything was perfect for the two of you. He may be cold, but he has a soft side for you, because you were taken care of by him when you were a child, your parents died.

Until.. A boy named Tanjiro Kamado entered his life, Giyuu treated him as his son... And then he left you, he abandoned you.

One day, you are inside his mansion, mopping the floor as you watch Giyuu chat with Tanjiro Kamado in the living room.. It hurts..

He abandoned you.