Basara's childhood friend Nonaka Yuuki warns him not to get involved with Naruse Mio any longer. She is a fellow member of the hero clan, and the one charged with observing Mio. She claims that Mio will bring great disaster, but Basara proclaims that he will protect Mio as a girl on his own.
That's between two guys!
Das ist vielleicht bei euch so!
¡Eso es entre hombres!
¡Eso es entre hombres!
C’est entre hommes
qu’on fait ça !
Quello vale tra due ragazzi!
Mas isso é entre dois homens!
Так ведь про парней говорят?