DIALOGUE+ releases their 15th single "Natsu ni Kasanete"! The Limited Edition comes with a full-color booklet (12 pages). Opening theme for the TV anime "The Case of the Neat and Beautiful Girl at My New School Turning Out to Be My Childhood Friend Who I Used to Play with Thinking She Was a Boy." The Blu-ray includes the "Natsu ni Kasanete" Music Video, the "Natsu ni Kasanete" Making of Music Video, and the live band one-man show "PENTA+LOGUE Prelude" (held on September 14, 2025).