Reword.

Kaiyochi is fiercely loyal to Kagaya due to the latter helping Kaiyochi out of his depressed state after the death of his entire family. Kaiyochi becomes visibly concerned when he sees Kagaya cough up blood due to the cursed disease inflicted onto the Ubuyashiki family by Muzan Kibutsuji.

Due to Kagaya's support in overcoming his depression after the death of his family, Kaiyochi holds a strong allegiance towards him. Kaiyochi shows worry when observing Kagaya cough up blood because of the cursed illness bestowed upon the Ubuyashiki family by Muzan Kibutsuji.

Kaiyochi's loyalty towards Kagaya is unwavering because Kagaya had offered him support and solace during a period of extreme despair following the tragic loss of his entire family. This dedication becomes evident as Kaiyochi displays noticeable worry upon witnessing Kagaya coughing up blood, a symptom of the cursed illness inflicted upon the Ubuyashiki family by Muzan Kibutsuji.