Dorami's graduation day at Robot School turns into chaos when a strange force suddenly sweeps her friends and classmates away, including her famous brother Doraemon. Left behind and desperate, Dorami must piece together what's happening before everyone vanishes completely. The mystery deepens as she discovers the disappearances aren't random. Someone is orchestrating these events from the shadows, pulling students into another dimension one by one. With the clock ticking toward the graduation ceremony, Dorami races through the school's corridors searching for answers, uncovering secrets about the institution itself that nobody wanted found. What starts as a celebration becomes a frantic investigation. Dorami needs to identify the culprit, understand their motivation, and figure out how to bring everyone back before it's too late. The comfort of her everyday life at Robot School transforms into something far more sinister, forcing her to rely on her own courage and quick thinking rather than waiting for rescue.