Here is the full list of all 21 Livestream 2: Escape from Togaezuka Happy Place achievements.
Get attacked by the mascot for the first time.
Escape from the changing room.
Save Aina from the doll hair.
Save Miyabi from the mascot.
See the painting by the entrance.
Open the shutter switch cover.
Open the shutters.
Watch the video tape.
Get Miyabi wet with the sprinkler.
Use the crowbar to escape from the elevator.
Win 10 games of rock paper scissors.
Read the journalist's note in the incinerator room.
Reunite with your friends.
Come up with a plan to defeat the mascot.
Make the fake Maid Monster.
Reach Ending 1.
Reach Ending 2.
Reach Ending 3.
Reach Ending 4.
Reach Ending 5.
Reach Ending 6.