My Tsundere Girlfriend's Thick Thighs Situation

What supports her speed? It's her well-developed thighs! Makoto's girlfriend, Rise Kurokawa, is a track-and-field sprint ace who commands respect from everyone around her. But she always wears tracksuits or pants, seemingly troubled by something...? This short rom-com about thick thighs evolves from a one-shot and makes its grand return!!