|Aliases||スパーク！, ＳＰＡＲＫ！, Junjō Gakuen Adventure, Junjou Gakuen Adventure|
|Publishers|| Cat's Pro.|
Protagonist is a normal high school student, has at times he sees strange scenes and gets depressed. One day he meets transfer student Yanan Michiru who calls herself an agent of human world management institution. According to her tale, hero has an ability to see the world where the balance is being broken by a stray angel. They will go to school together and search for an angel.
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