Suletta Mercury's school life at Asticassia School of Technology has been filled with excitement and meetings ever since she transferred from Mercury. She is a member of Gund-Arm, Inc. and Miorine Rembran's groom. Following the Plant Queta incident, Suletta is eager to reunite with Miorine. Unfortunately, Miorine is currently at the Benerit Group headquarters taking care of her father's health. As they face the Gundam's menacing curse, both girls must make difficult decisions and overcome obstacles while dealing with their own emotions.