Honya-San De Go!

From Fantasyshrine: “Satou-san, I’m your lowly servant!!” “You freak…” PPC Publications salesman, Takahashi Kazuya, is in love with his aloof, beautiful client, Satou Sho, manager of a large bookstore. How does Takahashi approach Satou for business and love? Can a humble salesman capture the princely heart of a client? The sequel is named Haru ni Arashi. Extra story: Go Straight