Takase is almost opposite of his brother weak and not good at school. He recently moved in at his brother's house, who is a married guy. He is placed under an exceptional coach to improve his physical health, and the coach also know as 'Venus of track' is none other than his sister in law. She is developing a new technique to improve body at a faster rate by management of testosterone levels in the body, in other words sexual desire management. She calls it 'absolute obedience.' And Takase have to go under it to improve himself. This changes his life drastically, read and find out more.
Megami no Sprinter is a completed manga by HARADA Shigemitsu and Karochii, first published in 2017. It blends adult, comedy, harem and romance. You can read all 42 available chapters of Megami no Sprinter online for free on MangaPulse; the newest is Chapter 42, added 2024-09-07. The series is finished, so you can read it from start to end in one go.