広大な草原フィールドで流れる曲だったと思います。架空のレトロゲーム「8bitクエスト」より。I think it was the song played in the vast grassland area from the fictional retro game "8bit Quest".Song: Suno V3(Pro plan)BG: Stable Diffusion / Dream Shaper8 + Flat-2D Animerge v4.5
http://www.nicovideo.jp/watch/sm43703053