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.

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.