This is a string of interwoven stories over love won and love lost. 

ef ~ a tale of memories tells the story of Hiro Hirono, who meets Miyako Miyamura on Christmas Eve and their unlikely friendship. But as their relationship evolves Hiro’s childhood friend, Kei Shindou, enters the fray. Meanwhile Renji Asou is learning how to love a girl that won’t ever remember him properly. 

The sequel, ef ~ a tale of melodies, focuses itself on both the past and present. Years ago Yu meets Yuko in high school as they reconnect after a ten-year separation while in the present Shuichi Kuze is finding a new lease on life through one Mizuki Hayama. But with both pairs battling their own personal demons will they be able to receive their happy ending?