The 3 Angels of Death

Tsugi

At the Infinity Castle Daki was wondering why they were summoned

Daki: (Why did Lord Muzan summon us like this it can't be that someone out there actually managed to kill an Upper Rank)

She reached the center where everyone else was

Douma: My Daki what a pleasure seeing you here

Daki: Nice to see you, Douma

Douma: Oh I must say though I am quite worried I haven't seen my buddy Akaza it's not like him to be so late

Daki scoffed 

Daki: He really should learn to be punctual such inaccuracies are exactly why he must've been defeated by that brat I'd never let something like that happen to me

Douma said nothing he simply started shivering at the thought of that day he was nearly killed Daki noticed his silence 

Daki: Oh right come to think of it you were also nearly defeated by the girl of her same family weren't you

Douma said nothing he simply walked off seemingly ignoring Daki this action annoyed her but she let it go 

Time passed and soon Muzan and the other moons arrived he announce that Akaza was killed this news shocked everyone Douma was in tears but said nothing Muzan then raised the ranks of every Moon below 3 his fears only amplified so he gave the moons even more blood but just enough so that combined they were still nothing to him

Muzan: From now on I don't want anyone slacking off and whoever kills the Tsugikunis will be granted one request from me within reason, their deaths are priority number one

Douma: Even over the Blue Spider Lily and the Ubuyashiki family's whereabouts 

Muzan: Yes, they must be disposed of as soon as possible no matter what it takes, and don't be reckless take them seriously

Upper Moons: Understood

With that, the meeting ended and everyone was sent back to their original destinations

Muzan: (These damn Tsugikuni they're too strong as enemies I'd turn them into demons but after what happened to that girl that may only work to my disadvantage if they all became powerful demons they may surpass me and the moons they should be disposed of as soon as possible hopefully then I can stop feeling this fear)

Later in another place, it's morning Rimuro awoke in an unfamiliar bed

Rimuro: (Where am I)

He sat up straight on the bed and looked around when he looked to his left he saw Tanjiro and Nezuko both wearing blankets they were looking at him with tears in their eyes

Rimuro: Are you guys o-

Before he could finish they both embraced him and sobbed

Rimuro: Jeez calm down guys you'd think I was dead or something

Tanjiro looked up at his brother while he was hugging him

Tanjiro: You've been in asleep for 3 weeks

Rimuro: . . . Oh so that's why I feel like I could drink a sea and eat a whale

Nezuko: After the battle with Akaza you passed out the Kakushi came soon for the clean up but Rengoku insisted on carrying you the rest of the way himself 

Rimuro: I see where are we right now

Tanjiro: The Flower Mansion Ms. Shinobu offered to treat you personally she diagnosed that you pushed yourself past a limit and were exhausted it's a miracle that you were able to fight for as long as you did