Heart Garden, a super city where night never falls, but under the flashing neon lights, there is also unimaginable darkness.
Arisa, an ordinary girl who has just entered her heart, accidentally gets involved in a world she has never imagined, including monsters, cybernetics, magical girls...
With her sincere heart, Arisa fights without hesitation for the justice in her heart.
Will this city change because of the existence of magical girls?
