Kenji Kojima, a young and able enthusiast, leaves his home province to attend university in the capital. However, academic qualifications aren't his priority in life - it's finding true love! Unfortunately, it's not that simple. To his aid have come the most unexpected of all things: Panties! Kenji has learned how to identify a girl's personality by her underwear and he'll meet four girls on his way: a playful sweetheart, a pretty tomboy, a shy introvert and an icy beauty. Can he eventually find his true love?