Here is the full list of all 51 Lunar's Chosen achievements.
Find 100 secret images
Find 10 secret images
Visit 5 different VIP rooms
Find out Claire has magic
Buy 25 items from the shop
Get Amber her money back
Fix Amy and Jamie's relationship
Revive Star
Have sex with Imry
Change your title with Imry
Meet all seven main characters
Meet Imry
Magically Bond with Meg
Restore Amber's magic
Meet Falla
Revive Sandra
Have Amber move in with you
Meet 20 side characters.
Find out Katie's Job
Give Amy the option to cure herself
See both Kim and Claire bimbofied
Sleep with ten people
Get someone pregnant
Be shrunk down to fairy size
See Serena's Fairy Form
Tell Katie about Magic
Sleep with Meg
Sleep with Katie
Have someone tell you they love you
Sleep with Amber
Visit a VIP room in the club
Read someone's mind in the club
Be transformed into a woman again voluntarily
Buy all 5 machines for Claire's club
Sleep with Serena
Meet Meg
Get transformed into a woman
Do a photoshoot for a client in the studio
Sleep with Claire
Meet Amber
Buy an item from the shop
Sleep with Amy
Learn Amy's Secret
Meet Amy
Meet Claire
Set up your portfolio
Win a game of pairs
Find a secret image
Meet Serena
Spend your first night in your new home
Meet Katie