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