Arigatou wa Iitakunai (ありがとうは言いたくない) is the coupling song from SKE48’s 24th Single Stand by you [Type-D]
By Matsumura Kaori.
It is Matsumura Kaori’s graduation song.
Release Date : 2018.12.12 (۶•̀ᴗ•́)۶
Sayonara de Owaru Wake Janai is a coupling song from AKB48’s 50th single 11gatsu no Anklet [All-Type]
By Watanabe Mayu
It is Watanabe Mayu’s graduation song.
Release Date : 2017.11.22 (´-ω-`)