I'm honestly not sure. I'd assume so since it has the CC-BY license but if you'd like to check to be safe, ask Konett since that is their asset.
https://konett.itch.io/
https://lemmasoft.renai.us/forums/memberlist.php?mode=viewprofile&u=21337&sid=ca770c1c4a418f88f25da193d0bb3b44
