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Eren is of short stature and has a disproportionately large head. He has swirly celadon pupils with shaggy brown hair and lacks a nose. He wears the standard Training Corps uniform.
Eren is overly obsessed with Titans, to the point where he blames them for every thing that happens to him (even when there are no Titans around), and is often seen overreacting for little things. He has a problem of being constantly late to his classes.
On day 1, Eren finds that he has woken up late and has trouble going to class.