As Ryukka Borg, the pioneering AI cartoonist, arrives in Yuka Amaryu's high school class during their final year, a peculiar connection unfolds. Crafted from Yuka's past self in an AI experiment, Ryukka's success drives a rift between them. Despite Yuka's abandoned ambition of becoming a manga artist, she now faces Ryukka's unexpected request as she contemplates a student council candidacy. The mystery deepens as Ryukka's purpose for transferring and her hidden agenda with Yuka slowly come to light.