Here is the full list of all 23 Reflections Dreams and Reality achievements.
Obtained the secret route's good ending.
Obtained Wynn's bad ending.
Obtained Wynn's special ending.
Obtained Wynn's good ending.
Obtained a certain bad ending.
Obtained Sho's bad ending.
Obtained Sho's good ending.
Obtained Blanc's bad ending.
Obtained Blanc's good ending.
Obtained Peony's bad ending.
Obtained Peony's good ending.
Finished Common Route 2.
Obtained Leo's bad ending.
Obtained Leo's good ending.
Obtained Ronah's bad ending.
Obtained Ronah's good ending.
Obtained Thiria's bad ending.
Obtained Thiria's good ending.
Obtained Cara's bad ending.
Obtained Cara's good ending.
Finished Common Route 1.
Read the prologue.
Obtained the secret route's bad ending.