Boardgamegeek https://boardgamegeek.com/boardgame/258154/fluttering-souls
English - Many years ago an apprentice merchant named Takahama fell hopelessly in love with a woman named Akiko. They became engaged, but, tragically, Akiko died before they could be wed. Takahama was distraught. He had built a life and a successful career, but he could not bear to be away from his love. Such was his dedication to Akiko that he abandoned his trade and gave his life to the upkeep of the cemetery...
Official https://www.neoludis.com/produit/papillons-celestes/
French - Papillons Célestes est un jeu captivant, magnifiquement illustré, pour deux joueurs, basé sur la légende japonaise du Papillon Blanc. Vous devrez collecter un kaléidoscope de papillons dans l’espoir d’être visité par le papillon blanc, l’âme d’un être cher perdu.