I, the Demon King of the End Times: Conquering Myriad Worlds

At some point, monsters from another world arrived at Dongda, and Su Yuan ran into one on her way to the convenience store.

She obtained the Kamen Rider Summoning System.

She successfully transformed into the supreme and benevolent Demon King and defeated her enemy.

After reverting from her transformed state, she was caught and taken to the station for questioning.

She also obtained the power of Dark Tiga.