All Out!! The Shortie's Sister

Gion Kenji becomes a first-year at Kanagawa High, but he's not the only one. To his surprise, Gion Mai, his older sister by one year enrolls into the same school as him, but that's not the only thing that shocks him. With good grades and status, she was allowed to skip a grade and move on as a third-year! These two are different in activities and personality, but they would always have each other's back. Follow the adventures of these siblings, as they join the Jinko Rugby Team, meeting new friends and rivals along the way.