TrySail — Follow You (Isekai One Turn Kill Neesan: Ane Douhan no Isekai Seikatsu Hajimemashita OP2)
Artist: TrySail (Asakura Momo, Amamiya Sora, Natsukawa Shiina)
Song title: Follow You
Anime «Isekai One Turn Kill Neesan: Ane Douhan no Isekai Seikatsu Hajimemashita» 2nd opening theme