Nintendo 3DS. The first Bokujou Monogatari game localized by XSeed Games. [ Game Guide ] JP release = Feb 2014. NA release = Mar 2015. EU release = Dec 2015.
The little nature sprites are just there to keep an eye on Dessie, who is a goddess in training. They don't help you with the farm or the fields. Gaia would be Dessie's boss, so to say.