Kuromi is a popular Sanrio character known for her dark and gothic appearance. However, there is also a sweet and adorable side to Kuromi, which is often seen in her Smile character design. Kuromi is a mysterious character who is often depicted as being mischievous and cunning. However, she also has a sweet and adorable side that is often seen in her interactions with her friends. Kuromi is a complex character who is always keeping people guessing. Kuromi and My Melody are frenemies who are always competing with each other. This dynamic makes their interactions both entertaining and funny. A fanart Sanrio progress bar for YouTube with Kuromi Smile.