(Gender-bender, one heroine with multiple love interests)
To stop the world from being destroyed, the magical girl Su Xiangwan returns to the past.
'I went back in time?'
"Lady Alice?"
...Though taken by surprise, Su Xiangwan decides to join forces with Alice, the strongest S-rank magical girl, who returned from the future with her and now resides in the Sword of Victory. Together, they will teach the magical girls about love and hope, and save the world.
"You don't have to keep trying anymore."
"Xiangwan... who are they?"
'Am I better, or was the old me?'
Without realizing it, the magical girls are gradually starting to act a little strange... How did things end up like this?