Head Over Heels for the Wizard!

"From this day forth, you're my slave." Sen quit the athletics team due to an injury, so he has a lot of spare time... until one day after school, when he crosses paths with a mysterious pig. Sen chases after it, and finds sophomore Masamune Oku waiting for him. Masamune announces that he's "descended from witches" and suggests a deal with Sen. He says Sen has magical powers he releases involuntarily—if he gives Masamune those powers by becoming his slave, Masamune will grant him the ability to ...

Oku-senpai wa Mahoutsukai was published digitally in English as Head Over Heels for the Wizard! by Renta!