Kanjani8 to release 49th single! Featured as the main theme song for the TV drama series "Assistant Inspector Daimajin" starring Toma Ikuta. This edition comes with "Ikiteru Bokura" and "BOY'23." "Ikiteru Bokura" is newly written by Masafumi Gotoh (ASIAN KUNG-FU GENERATION). Also includes bonus video footage: a music video for "BOY'23" (subject to change) and making-of. Comes with a 8-page lyric photo book.