Purple Heart Event
» Vesta's farm store
» 8:10 am to 12:00 pm, not Winter season, rainy day
» Marlin has a purple heart color or higher
» You have seen the black heart event
Thats the information i found. Did you go into Vesta's shop between 8:10 am to 12:00 pm? Have you seen the black heart event? yes, its supposed to be a rainy day.