Sei Michaela Gakuen Hyouryuuki II  

Sins of the Sisters, St Michael Academy 2, St. Michael School Drifting Story, St. Michaela School #2, St. Michaela School II, 美少女十字軍の反乱~ローマへの道~, 聖ミカエラ学園漂流記2

In 1212 ad, during the crusades, a soldier is betrayed and commits suicide while vowing to return as a fallen angel. now, reborn as aiko, she rises as the leader of a new military campaign that unites the world and eliminates all religions. however, haunted by her past life's memories, aiko journeys back in time and becomes entangled in an intense battle to safeguard the future.