Centuries have passed since the last of the closers Gremory had enjoyed playing with have died. Now with no more fun and pranks to play, she really has no reason to stay in the dimensional Operations center to help humanity anymore. "It's about time I moved on" Were the last words the dimensional monster genius uttered before stepping into a new universe to have some fun.

After defeating David Lane and saving the entire world from the dimensional monsters, the Black Lambs decided to disband and follow their own paths in life. In Seha's case, being enrolled in Beacon Academy and returning to school. Things were going so well, until he encountered a strange man in the alley. But then his entire life is changed forever after meeting Ruby Rose.

Hotaru acaba de comenzar la universidad decidida por un futuro diferente, lastimosamente esa actitud esta por ser destruida, al parecer ella no recuerda ni media parte de su vida antes de los 11 años, para su mala suerte su madre le hablara de un chico que ella no conoce pero aparentemente estudio con ella. Con recuerdos de un mundo que ella desconoce y que aparecen como pesadillas

Seha Lee is a retired Closer from the Dimensional War. With the world at peace Seha decides to return to his normal School Life. But when he meets the Quintuplets his life will change forever.

Closers Meet Sword Art Online and unite forces to defeat a great evil. Activate your Phase Force and use your Extra Skill as an unlikely meeting is about to take place.