The path to reality. Chidori and Nanoha, heading to Tokyo… Good things often attract misfortune, like clouds gathering around the moon and storms around flowers── This is an example of how good things tend to be easily interrupted. As the seasons change, the winter of their second year in high school is just around the corner. It's the season when they begin to think a little about their paths after graduating high school. Chidori, who is conscious of "entering a university in Tokyo," and Nanoha, who is "unable to think of anything." At Nanoha's suggestion, the two decide to head to Tokyo for a university visit──