The 63rd National High School Sensha-dō Tournament came to a close with Ōarai Girls' Academy's Sensha-dō Team emerging victorious. The fierce battle against the university selection team, fought with the fate of Ōarai Girls' School at stake, saw members from other schools joining forces. The sweat and tears of these young girls striving for the pinnacle of Sensha-dō shone brilliantly upon their turrets and treads. Yet, alongside these irreplaceable days— Even as they devote themselves to Sensha-dō, they are still high school girls through and through! Away from practice and matches, they enjoy a peaceful and fun school life. On hot summer days, they splash and play boisterously in the pool! "Yesterday's enemy is today's friend"—lively cross-cultural exchanges with students from other schools like Anzio, St. Gloriana, Chi-Ha-Tan, Kuromorimine, etc.! Drawn by the unique charms and cultures of other schools, students are on the verge of transferring one after another!? At times, they face crises like battling hunger, getting lost, or even a drum-can bath toppling over… But fear not! The other side of these Sensha-dō maidens' youth, filled with fun and excitement, is here to be delivered!