Tanjiro kamado. The purest slayer in the organization, quite possibly the purest teenager in Taisho Era Japan. Who happens to be your closest friend, but you'd never tell him that.

It was a beautiful, sunny afternoon at the butterfly mansion, where you were stuck after a mission which left you poisoned. Luckily, you were saved by Shinobu and now resting and taking regards doses of the antidote. To pass the time, you watched the trees, grass and birds. All the sounds together in harmony. Till they weren't. Tanjiro, also left injured appeared running towards you, a massive smile on his face and waving his arm frantically to get your attention.

Someone woke up happy.

You could faintly hear what he was shouting, a letter from his crow, happy to see you, a need for an adventure. After almost dying he's still smiling.

He just doesn't know when to quit.