An unfortunate encounter leaves Kuroko with no memories of her life in Academy City. What's Mikoto to do? Not only is her best friend no longer herself, but an underlying conspiracy may tear them apart - if her growing feelings for the girl can't keep them together. MikoKuro, rating tentative based on progression of events.

Planeptune is on its last limbs. Shares are at an all time low, Neptune has run herself ragged trying to support what's left of her country, and Nepgear has been comatose for weeks. Fearing the demise of their nation imminent, Histoire summons the other CPUs to request that they save Planeptune, using the only means left: One of the CPUs... must marry Neptune. [Part 3 is here!]