Nanoha and Chidori are best friends who attend the same all-girls high school--and also share a heart-pounding secret: they're lovers. Through sunny days and tumultuous storms, they're always ready for new adventures together.

For Nanoha and Chidori, best friends turned lovers, normal situations for close friends turn into electrifying moments through the lens of love. Between sharing furtive looks and promise bracelets, the pair spend their hectic school days flirting in secret and hiding their relationship from their friends.