Other name: Not Ready Sensei, Not Ready Sensei!, NOT READY！？ センセイ
Summary: Murakami Hiroshi makes a living out of drawing yaoi manga, though he claims not to be gay. He has a girlfriend, yet regularly sleeps with another man, and even seduced his assistant. His sex life's a mess... will he ever figure out what... or who he wants? The first extra of volume 2 is the first chapter of Love Equation.