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