Taboo Tattoo Vol. 9 (manga)

Seigi was victorious in his long-awaited battle with Princess Aryabhata, but the danger is far from over. In sixth month's time, they'll meet once again at the South Pole Ruins Site for a rematch that will decide the fate of the world! Of course, Seigi might not even make it to then if Aryabhata's little sister Syunya has anything to say about it...