Are high-school girls Nanoha and Chidori ready to face the storms in their new romantic relationship together?

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

After resolving the big fight they had during a field trip to Nagasaki, Nanoha and Chidori return home, their relationship stronger than ever. Then, Mai, the underclassman with secrets of her own, accidentally reveals her crush on Nanohato none other than Chidori!