I don’t know how many this will reach; it’s my own fault for mostly lurking here, hahaha.
Anyway, for those not in the know, there is a wiki dedicated to Shiho Sugiura’s series Silver Diamond; I’m one of the admins there. There has been some talk about possibly seeing if it can be renamed into a general wiki for Sugiura’s works, as it would help bring more awareness to her lesser-known stuff.
If you’d be interested (or not) in this idea, let me know; I’d love to hear what the Silver Diamond community has to say.
The Joestar Birthmark is a clearly five-pointed star-shaped mark appearing in the region of the rear of the left shoulder on all JoJos or individuals of or in certain ways connected to the Joestar bloodline.