As part of a 12 days of Christmas promotion, Yen Press has announced the license of The Empty Box And The Zeroth Maria light novels. The 2009 series by Eiji Mikage and Tetsuo ran seven volumes.
Yen Press introduces it
Kazuki Hoshino leads the easy-going life of a typical high school student — until the appearance of a new girl in his class turns his world upside down! Introducing herself with a promise to “break” Kazuki is abnormal enough to make an impression, sure, but why does she seem so familiar…?