Narcissu 1st & 2nd Achievement List

Finished Narcissu 1st (voiced) Finished Narcissu 1st (voiced)
Finished Narcissu 1st (voiced)
Finished Narcissu 2nd (voiced) Finished Narcissu 2nd (voiced)
Finished Narcissu 2nd (voiced)
Finished Narcissu 1st (unvoiced) Finished Narcissu 1st (unvoiced)
Finished Narcissu 1st (unvoiced)
Finished Narcissu 2nd (unvoiced) Finished Narcissu 2nd (unvoiced)
Finished Narcissu 2nd (unvoiced)
Hidden Achievement
Finished Narcissu 2nd Epilogue Finished Narcissu 2nd Epilogue
Hidden achievement descriptions are missing by default. Why is it missing?