Date A Live

is a Japanese light novel series, with manga and anime adaption.

Plot
is a high school boy. On the last day of the spring holidays, an explosion destroys the town and a in armor appears in front of him. Shidou's sister-in-law,, tells him that the is called "", which causes a timespace quake. disclosed that she is the commander of the anti-spirit organization and orders him to go out on a date with the spirit girl. says, "I don't ask you to beat the spirit. Just let her fall in love with you and save the world."

Official

 * Official anime website
 * Official game website

Other Sources

 * Wikipedia
 * Anime News Network
 * MyAnimeList