Here is the full list of all 29 Fashioning Little Miss Lonesome achievements.
Avoid commitment with all your might.
Start the 3P route.
Stake your claim in front of everyone.
Play Saito's bonus scenes.
Entrust Saito with your entire life.
Down, boys!
Make 'em walk a mile in your fishnets.
Don't get on his bad side! Oops, too late.
He's harmless... right?
Wow. That was uneventful.
Start the game.
Play Miki's bonus scenes.
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.
Bring Saito back from the brink.
Announce your love to the world.
Make your ship canon.
Get every ending.