Hiding secrets underneath a mattress is a cliché. At least that's what Min Yoongi thinks. That's why he hides his love letters in the duvet cover of his blanket. But what if, one day, the loved one finds the sweet words addressed to him by total accident? And the only problem is that he has no clue that he's the meant one... what happens then? That's what "Blanket Mail" is about ~ a yoonmin fanfic ~​