如果她的旗帜被折断了

当一个人面临人生中的重要选择之时，头上便会竖起旗帜，而表面看似平凡的少年旗立飒太（逢坂良太 配音），却因为一场意外而获得了能够看见这些旗帜的特异功能。某日，飒太转入了世界闻名遐迩的贵族学校私立旗谷学园，在这里，会发生怎样有趣的故事呢？ 　　傲娇毒舌的公主菜波（木户衣吹 配音），温柔内向的魔法泽茜（芽野爱衣 配音），高贵难以接近的圣帝小路美森（田村由香里 配音），成熟贤惠的青梅竹马召唤寺菊乃（阿澄佳奈 配音），英姿飒爽的盗贼山惠（花泽香菜 配音），在这些可爱女孩子们的包围下，一场有笑有泪的戏剧正式拉开了帷幕。Hatate Souta is a high school boy, who has an ability to visualize "flags" for future events such as "death flag," "friendship flag," and "romance flag." Despite the flag-viewing ability, he avoids making friends with others due to a trauma he experienced in a ship submergence accident. Twelve beautiful girls get interested in his strange way of living, and they begin to live with him at the school dorm.