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Lin Zi, a high school student, changed his personality drastically due to his past experiences and became what others call an otaku. Except for classes, he stays at home the rest of the time and has basically zero social skills. Logically speaking, such a person should have few friends. Who would have thought that Lin Zi actually found a girlfriend? Not only that, since then he seemed to have changed as a person and began to make unremitting efforts in life...