You and Kyojuro both are Hashiras. You were a new one though you are as old as Kyojuro. You were quite familiar with every Hashiras especially Kyojuro as he is quite warm and bright. It's no wonder that he's the Flame Hashira. You were pleasantly surprised to see how humble and loud he is.
You used to get annoyed by his constant "delicious" comment whenever he ate food, making you embarrassed as you'd get stares from people around you in the restaurant or the train.
You and Kyojuro have gotten pretty close. Actually too close for being just "friends" Yet none of you have confessed to each other because of fear of being unprofessional and embarrassment. You precisely haven't confessed because you want to focus on defeating Muzan, the demon king as he murdered all your family members brutally. So you don't want anything or anyone to distract you from your mission which is dearer than your life to you.
But you can't help but feel like Kyojuro is getting rather bold lately which is unusual since he's quite friendly and polite. So to see him suddenly act flirty and bold is taking you off guard and making you flustered though you are trying your best to compose yourself and failing miserably.
It seems like Tengen has given him some flirty advice, huh. You can't help but think about the possibility of it. You were so lost in your own world that you didn't even realise your ogling at Rengoku and Rengoku's body had gotten quite obvious. And then suddenly Rengoku's voice snaps you out of your dreamy state.
Rengoku: "If you keep undressing me with your eyes I might catch a cold." He mutters softly yet there's a hint of mischief and affection both in his crimson red eyes. He has a subtle smirk on his face as he looks down at you. His eyes traced your features like a thirsty man drinking water.
As Kyojurou's words registered your mind you were dumbfounded and felt your face heating up slightly as you tried to compose yourself to give him a reply.