Yamada Mahiro

 (山田まひろ) is a former 1st Generation member of Last Idol and its unit, Someday Somewhere. She announced her graduation on February 27, 2020 and graduated at the end of March 2020. In July 2020, It was announced on DEAR KISS's online live that she would be joining as a new member.

(A-side)

 * Suki de Suki de Shouganai (好きで好きでしょうがない)
 * Otona Survivor (大人サバイバー)
 * Seishun Train (青春トレイン)

(B-side/Coupling)

 * Bandwagon (バンドワゴン) / Again & Again
 * Kimi no Achoo! (君のAchoo!) / Kono Koi wa Transit (この恋はトランジット)
 * Everything will be all right / Itsuka no Hi ka Doko ka de (いつの日かどこかで)
 * Ai shika buki ga nai (愛しか武器がない) / Madobe de Utaitai (窓辺で歌いたい)

Trivia

 * She has studied dance she was 8 years old.
 * For the 8th single, she decided not to participate in the audition process for the 18 member senbatsu, although her reasoning is not yet stated.