She is best known for creating the manga series Pandora Hearts and The Case Study of Vanitas.
[3][4] Following Crimson-Shell's completion, she launched Pandora Hearts (different from the one-shot) in Monthly GFantasy on May 18, 2006.
[7] Following Pandora Hearts' conclusion, she launched The Case Study of Vanitas in Monthly Gangan Joker on December 22, 2015.
[9] Mochizuki has cited Fullmetal Alchemist's author Hiromu Arakawa as her main source for inspiration.
Arakawa was the reason Mochizuki chose to submit to Square Enix instead of other manga publishers.