Doku no Okurimono

Gift Hisono is a gifted painter cursed with financial woes. On the brink of finishing his latest work, his trusty palette knife suddenly snaps! In a desperate attempt to afford a replacement, he steals paint from his close friend and fellow art club member, Taima. This act of theft witnessed by another club member, Kadomi, marks the beginning of his poisonous downfall...

(Source: MANGA Plus)