_ _ A N N A _
correct: A, N
incorrect: E, S, I, T, O, M, R, T, V, U
left: 0
Wait I won?

The riddle is CLANNAD, either one of the best animes or an Irish band, whatever you want. Both exist
I don't have anything up my sleeve right now. If something comes up I'll go again but if you have an idea go ahead