Explore Lulukoko, Tsukuyusa, and Westown in this multi-cultural farming game for Nintendo 3DS. [ Game Guide ] JP release = Jun 2016. NA release = Feb 2017. EU release = Oct 2017.
Don't know the minimum but I won the first promenade with my freshly-turned furmiliar which was around 4 hearts. Might be able to eke out a win with a pet at 3 hearts though I can't guarantee it.