Inazuma Galaxy: That Dark Side

Kazemaru Rose, youngest sister of the world famous soccer player Kazemaru Ichirouta. She lost her memories in an accident when she was a child. Leaving her past life behind her, she starts a new life when she attends Raimon and joins the soccer team Inazuma Eleven. Then meets a certain someone...

Matatagi Hayato, the oldest brother in a family of three children, the son of a father who abandoned his family and a mother who is sick and is recovering in the hospital. He was famous in the track world, precisely the event sprinting. But now, he is interested in soccer, and that secret side of him grows...

When the two soccer enthiusiast cross paths, it is a blast from the past. One can remember the other, the other cannot. While Matatagi finds his long lost childhood friend, Rose thinks of him as a newfound friend. Matatagi's love for Rose grows, and will find a way for her to remember him.

A soccer battle now stands in their way, threatening to take Rose away from the soccer team.