Instructions:
The first upload was only working in Spanish PC sorry for that, this version works on all PC. Just open the installer and click next on everything the installer is in Japanese but the game has English, Spanish, and Japanese languages.

ABOUT ULTRA ADVENTURE! GO GO - OSAWARI ISLAND

It’s chibi-hunting season on Osawari Island and you’ve been recruited to capture the spirits of beautiful girls! With the aid of the rogue scientist Dr. Moriyama and her cat-girl assistant Ichigo, embark on an adventure that will lead you across a fantastical version of Japan, from the heights of lava-spewing volcanoes to the classrooms of all-girl academies. Your harem of sexy Eromon-hunting girls are on a collision course with the most powerful beings on the island - defeat them, then add them to your collection!