What happens when a wicked queen and a princess rival in love fall in love with each other because of a secret medicine? ~Will love save the world, or will it destroy it?~

Emperor Gluten of the Endonia Empire obtains a secret potion that, when consumed, causes one to lose their memories and devote all their love to the first person they see upon awakening. Attempting to give the potion to Princess Printart, the First Princess of the Saytamia Kingdom, in order to make her his own, he accidentally ends up having both her and Cream Tart, the Queen of the Canaria Kingdom who is beautiful but has a terrible personality and is at odds with Princess Printart, drink half of the potion each. The two women lose their memories due to the secret potion and begin to love each other. But will true peace actually come to the world, or what will be the result?