(Kyoukai no Zetsubou) in Japanese.
Synopsis: Kurotsuki Shiro, 17 years old; is labelled as a genius in highschool. He is relatively good at Drawing, without studying, he can get high scores in exams, but his grades drop because he slacks his quizes, doesn't do homework and barely attends class. If he does, he sleeps most of the time in class.
During his 2nd year highschool, he met a transfer student. He didn't know what that foreigner transfer student has, that changed his life.
Shiro strived to be an artist. He used his talent in drawing, creative mind and wide imagination, He wrote stories, taking his bittersweet experiences as referrence as his journey starts.
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In short: Two teens meet in their first year of high school, and create a love/hate relationship with each other. As they become closer they try to fix theirselves.