That Black Cat On Yaoi Alley's feed

chapter 20 can be found here: (machine translated tho)
https://snowmtl.ru/reader/let-s-meet-alive/20
While the novel can be read here:
https://azilatl.space/story/lma/
(chap 30 of manhwa is chap 49 of novel. Read chap 50 of novel if you just want to continue it)