Not only does he have to protect an encyclopedic nun, but he has to deal with a land invader and the ghost of a friend no one else can see. ...Fukou da.
It took place during their third special "To Aru Majutsu no Index-tan", complete with a fourth wall joke.
Ika MusumeA group of three spongersAlright!The sky is so blue, yet my future is pitch-black...IndexMenmaThe weather is fine, let's hang my sheets up...Aren't there a bit too many?