Our MC Yuki Kazuma, a normal high school student just moved to a new house. His parents have gone on an eternal honeymoon and his little sister is studying aboard. Though the house is a bit too big for just one person to live in... Afraid and hated of being lonely, a certain Youkai heard his request and granted his wish to not be alone anymore. DISCLAIMER: I don't own Touhou nor its characters, they all belong to ZUN Also I don't own any of the artwork or images used in this book