Maho Matsunaga

Hyoudou Issei tek dileği ilerde birgün kendi haremini kurmak olan bir liselidir. Öyle şansızdır ki daha bir kızla ilk buluşmasında ölümcül bir şekilde yaralanarak ölüme terk edilmiştir. Gremory klanının varisi olan Rias Gremory tarafından kurtarılır ve şeytan olarak yeniden dirilir. Issei farkında olmadan kendini düşmüş melekler ve şeytanlar arasındaki bir şavaşın tam ortasında bulur. Ölüp şeytanın uşağı olarak dirilmiş Issei ne kadar şansız da olsa harem hayalinin tam ortasındadır aslında...

Otonokizaka High School is planning to close within three years. However, nine female students come together with one thing in mind—form a pop idol group to revive the school’s popularity and keep it from shutting down. 'In order to protect our beloved school, there’s only one thing we can do...become pop stars!'

Is insanity hereditary? Shougo Mikadono's beginning to think so, because the terms of his late father's will seem crazy and following them may drive Shougo bonkers as well. Oh, it sounds simple at first: before Shougo can claim his VERY large inheritance, he just has to start attending a certain new school and find a nice girl to marry. It's a little unromantic, but perfectly do-able, right? After all, all the girls seem quite friendly, so all Shougo has to do is find one he has something in common with. Except, and here's the kicker, it turns out that Shougo has WAY too much in common with one of them, because she's actually his long-lost sister! And he has no idea which one she is! Will Shougo meet and court his Miss Right without committing something very morally wrong? Can he find his future bride without slipping into the wrong set of genes? And if his little sister does reveal herself, just how much will be revealed and under what circumstances?

Although μ's, the defending champions of the school idol tournament, plans to dissolve their group after the graduation of their senior members, they receive news that leads them to holding a concert event! The 9 girls continue to learn and grow in this new and unfamiliar world. What is the last thing that these girls can do as school idols? With the clock ticking, what kind of meaning will the μ's members find in performing the most exciting live performance?