[DeepL Translation - needs review] Volume 1 Introduction: Mari Kosai, who has amnesia, is confronted by a beautiful, innocent, and naive girl named Shirayuki Tanzawa.
I used to be your girlfriend, Mawari-kun.
Shirayuki blushes and kisses Mawari on the cheek.
The next day, a beautiful girl with a devilish charm, Mago Saikawa, appears and becomes furious.
I really have amnesia--I can't forgive you.
She suddenly takes Mawaru's lips and says.
I'm your true lover. But you mustn't tell Shirayuk...
