Halle Halle Hallelujah!

is a japanese 4-koma manga series written by Tsuttsu. It began serialisation in the February 2013 issue of Manga Time Kirara Carat.

The series was released under 1 volume in December 2013.

Synopsis
"The old school building, which is off limits, is a secret base for only four people !? The seniors I met when Mizuho got lost were secretly using the room of the old school building, which is no longer in use ... Peeping into the girls' hideouts. Mizuho 4-koma, Volume 1 is on sale !! "