Here is the full list of all 29 Fashioning Little Miss Lonesome achievements.
Play Saito's bonus scenes.
Play Miki's bonus scenes.
Get every ending.
Bring Saito back from the brink.
Choose Miki over modeling.
Make your ship canon.
Announce your love to the world.
Avoid commitment with all your might.
Start the 3P route.
Entrust Saito with your entire life.
Force Saito to take desperate measures.
Have Daddy pull some strings.
Stake your claim in front of everyone.
Make a new... friend...
Hell is other women.
Gamedev is hard, kids.
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.
Wow. That was uneventful.
Join a cult, er, empire.
Don't get on his bad side! Oops, too late.
He's harmless... right?
Start the game.