A Slow Life After Being Expelled, Which I Never Wanted? I was Supposed to Have Retired, but Somehow I Ended Up Becoming a Beautiful Girl's Mentor, and for Some Reason, I Feel Really NostalgicNegatte mo Nai Tsuihou Go kara no Slow Life? Intai Shita Hazu ga Nariyuki de Bishoujo Gal no Shishou ni Nattara Naze ka Mechakucha Natsukareta ; 願ってもない追放後からのスローライフ？ 〜引退したはずが成り行きで美少女ギャルの師匠になったらなぜかめちゃくちゃ懐かれた