"MisSaNo.Nara - SiIvaGunner: King for Another Day" is a high quality rip of "MisSaNo.Nara" from SilvaGunner: King for Another Day. It represents the King for Another Day Tournament contender MissingNo..
This is an original arrangement that quotes multiple horror-related songs. The track is heavily based on "Sayo-nara" from Doki Doki Literature Club!, and quotes "Gaster's Theme Calm Remix" by Jamangar, itself a remix of "Gaster's Theme" from Undertale with a different chord progression, throughout. At 1:48, 3:57, 6:04, and 8:13, the arrangement quotes "Lavender Town" from Pokémon Gold & Silver.