第 10 集: 田島櫻與一宮詩音在推城展開歷史問答對決。
2022年9月3日 播出
Showdown with a history quiz, set in Oshi Castle! It's a battle between Tajima Sakura for Urawa, and Ichinomiya Shion for Saint Omiya. Shion is a beautiful young lady, but she's got a quirk…!? Both girls are knowledgeable, and a fierce battle is inevitable. Who will reign supreme? (Source: Crunchyroll)