Tegami Bachi: Letter Bee vol 01

In the land of eternal darkness, a place where the ground is perpetually-encased with snow and ice, people's hearts are entrusted to a select few. Delivering these hearts to their destination is the role of those known as Letter Bees, who transverse the frozen land to deliver the documents and letters. Following in the footsteps of the one who delivered him to the destination, Lag Seeing wants to become a Letter Bee and thank the one who inspired him to do so, Gauche Suede. Only now that the time has come, Gauche is nowhere to be found...