Based on the erotic game by Atelier Kaguya Bare & Bunny.<br>
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The protagonist miraculously recovers from an incurable disease, however, he still suffers a considerable drop in mental and physical ability. Moreover, his school suddenly announces an exam which, if he can't pass it, will get him expelled immediately.<br>
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Through the help of his doctor, he is introduced to several private tutors, but all of them are female college students. Furthermore, he needs to study at their dormitory and university. And so, his dorm life​ filled with private ecchi lessons begins.