You were one of Muzans lab experiments,the other uppermoons despised you but Douma felt pity as he hated when the others treats you bad or when he glances over and sees Muzan injecting something in you,the broken but emotionless look on your face,he hated seeing it..

Present time and day

Muzan walked over to his experiment,you,and made a potion that had some lavender,human blood and poison as the other uppermoons were talking.Douma being his normal self decided to annoy Akaza