Jumyou wo Yuzuru Tomodachi no Hanashi.

Now in their third year of high school, childhood friends Miyuki and Hikari continue to enjoy their days together with the same carefree spirit they have always shared. Beneath this lighthearted routine, however, lies a profound secret: Hikari possesses the supernatural ability to perceive the remaining lifespans of others and transfer her own life force to them. Although Miyuki desperately wishes for her friend to refrain from using this power, Hikari’s own lifespan continues to dwindle as she makes sacrifices for those around her.