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.
You're supposed to be her 
observer, aren't you?
Du solltest sie doch
nur beobachten, oder nicht?
Solo deberías vigilarla, ¿no?
Solo debías vigilarla, ¿no?
Tu n’étais pas
une observatrice ?
Dovresti solo tenerla d'occhio, no?
Você devia apenas observá-la, não é?
Ты же должна была просто наблюдать!