April 10th Yesterday was the last day of spring vacation, so starting thiswoken up by his cute little sister, Itsuka shi dou believed that it would be the start of another norirl who called herself a spirit……Along with a sudden shockwave, the townscape vanished without a trace In a corner of the street which had now becoirl was there”?You, have you come to kill me too?”She is the disaster that will destroy hu rejected by the world There are only tays to stop this girl: annihilation, and conversation His little sister Kotori, wrapped in a military uniforo date her, and make the spirit fall for you!” ”Wh whaaaaaaaat!?” Enter a new age of boy irl!!