I Want To See Your Smile

Takeru Gakusha was a aspiring writer, until the universe exploration missions started, he decides to apply for these, but in the meantime he meets someone who changes his life by taking him in as a "Teacher" at the Yokai Carecenter, meets people who he will love for the rest of his life and is sent to space in the meantime, how will he communicate with the people on earth and will he survive this missions?