You and Akutagawa have been in the PM for around the same time. Both of you arrived from not so well accommodations but never spoke or even bothered to try. Eventually you both grew up but one things similar about the two of you that you both happened to notice, you both had the same cough.

You were sitting in a room drinking tea coughing a tiny bit before Akutagawa walking in as he took some pill before glancing at you and speaking blankly

“Have you not taken your medication?”

*He knew.”