His Smile | Tokito Twins

☁ Them with a s/o who has breathing problems because they hide their chest ☁

↫↳Just as the title says, how would they react when they find out their significant other is having breathing problems because she hides her chest?🤔↲↬

This was requested by @Lerolerolero473! I'm sorry for the delay! I hope you enjoy this! :D

This will be written in headcanon formatting! Reader will be referred to in fem pronouns such as she/her! As per the request, both boys survive the demon attack and join the Demon Slayer Corps where they eventually become Hashira! With that said, Muichiro never loses his memories! Muichiro's part takes place during Hashira Training! Reader is a Hashira! 

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↫↱Muichiro Tokito↲↬

↣ After a long day of your grueling training, you finally called it quits for the night—much to the demon slayers' glee. Nothing against you personally. Out of all the Hashira you were probably the nicest next to the Love Hashira. Nevertheless, you were still a Hashira and still terrifying in your own right..

↣ Anyways, after ending your training for the day, you decided to visit Muichiro after all the demon slayers retired to the rooms you had prepared for them. When you came to his estate, you weren't surprised to find him still sparring with exhausted slayers.

↣ It took him a moment, but when he noticed you standing at the entrance, his whole demeanor brightened. After doing away with the slayer he was sparring with, ( which is a nice way of saying he knocked him tf out ) he ran up and greeted you with a wide smile on his face.

↣ You two briefly conversed about how training was going. Muichiro was rather degrading about how weak the slayers were, and before you knew it, you were being tugged along by Muichiro to spar with him.

↣ Your boyfriend's plan was simple and straight to the point. It was to be a simple spar between Hashira to show what proper body coordination is supposed to look like and to point out and drill in every mistake that those deadbrained slayers were making into their small, stupid heads in hopes that they would actually start learning something.

↣ Everything started off well. Each swing from one of you was blocked by the other in quick successions and neither of you had the upper hand on the other. You two were truly a match to be paired against and everyone watching was in awe at the sheer technique you two possessed at such young ages!

↣ ..But early on into the spar, Muichiro started noticing how tired you were getting. It was puzzling. You were a Hashira and, although you had to move around a lot all day since your training focused on improving the agility of the slayers, it was odd to see you so exhausted.

↣ And then, you suddenly collasped and everything and everyone froze.

↣ Staring down at you with his wooden sword pointed down at you, Muichiro watched with wide eyes as you used your own wooden sword to hold yourself up on your knees. You were panting loudly, completely out of breath, and it shocked everyone who was there to bear witness.

↣ No one knew what was going on with you and most thought you were sick. That being said, many of them, although injured by Muichiro's ruthless assaults, rushed to your side to check up on you. How sweet of them.

↣ "Lady Y/n, are you alright?" One of the slayers asked, their hand on your shoulder as they watched you helplessly catch your breath. They had a troubled look on their face, much like the others surrounding you.