cali≠gari will release their new album titled "13" on 2017/05/10 in 2 versions: limited "Kyoushin-ban" CD+Blu-ray edition (￥6,000+tax) and regular "Ryoushin-ban" CD-only edition (￥3,000+tax). The limited bonus Blu-ray will feature scenes from the album's recording and various offshot footage. Also, the "Kyoushin-ban" cover art will be done by mangaka Maya Mineo (apparently known for classic shoujo and BL style manga).   They will also hold their Japan tour "cali≠gari △15th Caliversary”