Manga creator Junya Inoue has announced that the 26th volume of his BTOOOM! manga will be the manga’s final volume. Inuoe added that the manga’s serialization will end soon. Shinchosha’s Monthly Comic @Bunch magazine had announced in March 2014 that manga was entering its final arc in the next issue in April 2014, and the manga entered its final arc in the 23rd volume.
Inoue launched the series in Shinchosha’s Weekly Comic Bunch magazine in 2009, and then transferred it to Monthly Comic @Bunch in 2011. Yen Press is publishing the manga in English.
Source: ANN