I Thot You Was a Toad's manga / #novelist(2)

Once, while filled with sparkly magic, Tokitou wrote a fantastic book which inspired a lot of people. One of these people is Kushima, his present assistant/editor. Sadly, since the book was published, Tokitou has no more sparkles or inspiration and cannot write. Two years is a long time, and the chief editor wants to call back Kushima. Something's got to give ...

Very thick young man shows up on famous novelist uncle's luxury apartment doorstep to say thanks for support since his parents died, ends up doing major gratitude housekeeping and barely escapes from gratitude surprise buttsexing up until the end of the story.