Niwa, the pure and flawless sprinter on the track team. Her desire to be faster ...... Pure desire led her to undergo special training by a perverted coach using the hormone secretion method ...... This track and field girl had a nervous breakdown! ! She becomes a slut and is brainwashed! !!! This innocent club girl is completely destroyed! ! Tears, snot, vomit, love juices ...... she secreted profusely! Her spirit breaks down, she vomits, her throat goes deep! She can't concentrate...