Read the quest carefully, it says the names of the characters you have to level up. Sunny is not one of them!
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well i dont know what is going on but i can assure you it did not list any names of characters it required, it just said all with maria at 3 lol.
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hmm, swear i didnt see it but oh well I believe you that it is there, maybe i was just being blind xD, it's what i get for watching anime while playing haha. either way finished it and enjoyed it, also thanks for the replies, sorry I wasted your time. :/