Taboo Tattoo (2016)

S1E1 Tattoo

Akatsuka Justice, known as Seigi, is a boy driven by his unwavering sense of justice. When he intervenes to rescue a man from a group of thugs, the grateful stranger gifts him a stone. Upon touching it, an unusual mark appears on Seigi's palm. The following day, he discovers that the mark remains, and just then, an enigmatic girl confronts him, inquiring about the origin of the tattoo. Without warning, she launches an attack against him, plunging Seigi into a new and dangerous mystery.