Here is the full list of all 29 Fashioning Little Miss Lonesome achievements.
Start the game.
He's harmless... right?
Don't get on his bad side! Oops, too late.
Make 'em walk a mile in your fishnets.
Down, boys!
Play Miki's bonus scenes.
Play Saito's bonus scenes.
Start the 3P route.
Wow. That was uneventful.
Join a cult, er, empire.
Get Miki's hopes up.
Make a career out of your bitchface.
¯\_(ツ)_/¯
HAHAHAHAHAHAHAHAHAHA!
Get a little too comfortable with comfort food.
Send 'em running for the hills.
Gamedev is hard, kids.
Hell is other women.
Make a new... friend...
Force Saito to take desperate measures.
Have Daddy pull some strings.
Choose Miki over modeling.
Stake your claim in front of everyone.
Bring Saito back from the brink.
Entrust Saito with your entire life.
Avoid commitment with all your might.
Announce your love to the world.
Make your ship canon.
Get every ending.