This Song is Theme of "Kemono no Souja Erin" of NES remix.
It's Anime Song.
Songwriting by SukimaSwitch.

#Oreginal song#
https://youtu.be/2gcH3DTeVf0

SUKIMASWITCH is Japanese song writer Duo Unit.
At Outside of Japan are famous these Anime songs for "KANADE" (ONE WEEK FRIENDS), "Hoshi no Utsuwa" (NARUTO), "Golden Time Lover" (Fullmetl Alchemist), "BOKU NOOTO" (DORAEMON) etc....

スキマスイッチの雫をファミコン風にしました。

woah this is really good
not exactly sure what it's from but it's a nice recreation of a NES tune, keep it up

What an awesome remix of an awesome tune! And such a surprisingly elegant chord progression... the melody, arrangement, and effects really breathe it life.