僕と初音ミクの話 by shirayuki towa

Prequels:

The Story of Hatsune Miku who Wishes for Happiness (pool #15050)
The Story of Hatsune Miku and Master (pool #14869)

Other comics by shirayuki towa:

The Story of Hatsune Miku and You (pool #14674)
The Story of Hatsune Miku (pool #14785)
The Story of Hatsune Miku and Grandma (pool #14891)