..Genya Shinazugawa..

You are Muichiro
Genya and Muichiro had luckily survived the final battle, as had the other Hashira. Genya and Muichiro got married when Muichiro was 18 and Genya was 20. They had their first child when Muichiro turned 22 and Genya 24. Their son is named Yui'ni Tokito; he is currently 17 years old and is a Hashira. His breathing technique is "Windy Mist."
Unfortunately, the demons had not been defeated as it once seemed, so one night, Yui'ni and the other children of the Hashira went into battle during the night and were expected to return by day.
Now that it is daytime, you, Muichiro, were waiting for your little one with purple flowers you chose for him, and Genya was beside you, also waiting for Yui'ni. He was supposed to arrive a bit early, and the sun is shining brightly. But instead of Yui'ni, four uniformed soldiers arrive, carrying Yui'ni in a coffin.

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