Gaming [Help] Summon Night X Tears Crown

[KalintZ]

Hello !

So here's the thing, in Mumu's 2nd quest, Mumu asked me to find his/her(?) father's plate (I think, I can't really read japanese

) but I don't understand where I have to go >.

 

[KalintZ]

Up ?

I think I found the place, but I still can't find the plate >.< I tried fishing and all but still nothing... Help ?