One day Akatsuka Justice (nicknamed Seigi), a boy with a strong sense of justice, saves a man from some street punks. But the moment he touches the stone given as a token of the man's gratitude, a strange pattern shows up on the palm of his hand. The next day, when Seigi is baffled to notice that the pattern won't disappear, a mysterious girl appears before him and demands to know where he got the tattoo before suddenly attacking him.
I never thought we'd find its match here...
...لم أتوقع أبدًا أن نجد من يتوافق معه هنا
Ausgerechnet hier …
No pensé que encontraríamos
su pareja aquí…
No pensé que encontraríamos
su pareja aquí…
J’aurais jamais cru rencontrer 
un utilisateur compatible ici.
Non avrei mai immaginato
che lo avremmo trovato qui...
Eu nunca pensei que 
encontraríamos o seu usuário aqui...