An odd request brings the team to a strange village in the middle of one of their biggest events, and the next thing they know Sportsmaster crashes the whole thing.

30 years ago, Michio and Tsugiyoshi's father worked at Joey Drew Studio. Last year, the Stein Brothers lost their father. Last week, they get a letter from Joey Drew asking for Henry to return to the studio for a "Surprise". The Steins decide to go in their father's place, but they bring a few friends with them, just in case something goes wrong... And it does...

Basically, a Miraculous Ladybug and Juuni Taisen blended universe crossover. As the butterfly of evil rises, the two Guardians of these Miraculous and Juuni have traveled to Tokyo, Japan to both protect these items and to find the perfect welders for both the Miraculous and Juuni.

It's basically a modernized version of the A to Z Mysteries with the Juuni Taisen Characters. When Alphabetical Mysteries start happening to Tsugiyoshi "Nezumi" and his friends Misaki, Takeyasu, and Nagayuki in their town of Green Lawn, they must solve these Mysteries with their wits and skills before the worse can happen.

"This changes nothing, she kept trying to tell herself. But she knew all too well that it was a lie. Because this changed everything. Absolutely everything." Major AU, rated T for now, may change to M depending. Two-parter.