help :( with vnmaker

[chubty]

The game i want to unpack ( and yes you maybe hate my for this )

VNDB link: https://vndb.org/v28269
Developer: Ziul Walls
Release date: still beta 0.0.9
Original title: soft fantasies
English title (if available): soft fantasies

Details

because i think it a good game to start data-minnig , i try to use arc_unpacker but i have a problem , the decode it no recognize the archives , i attached a image, please I just want the musics and sprite characters ,.... Thanks in advance