Armin and Mikasa seem to be followed by a 15 meter titan. But it's different than the other titans. For starters, it's friendly. The titan loves affection and being the center of their attention. The titan also seems to have smaller version of it's self. Armin and Mikasa have no choice but to trust their new gigantic friend.
The Survey Corps have never seen a Titan that doesn't eat humans. This titan isn't an abnormal if it can just stare at them with mixed matched eyes. Not only does the titan know its weak spot but it has displayed intelligence. It also seems to have an interest in Captain Levi...
*Contains manga/anime spoilers!*
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