Rock and Roll Madness 5-Star Evolution Gem

The diamond, imbued with the purest power of the astral realm, can enhance the star level of Senshi "<Rock and Roll Madness> Hana."
It can be gifted to Senshi through the "Gift" button in the Senshi interface, allowing a star level upgrade up to 5-Star.
You must own a 1-Star Senshi before gifting, and only one star level can be upgraded at a time. After advancement, the existing Star Energy will reset to zero.