Start the game.
Enter the loop.
Send back Misato.
Send back Touko.
Send back Kiri.
Send back Sakuraba.
Send back Miki.
Send back Youko.
Finish all routes.
Finish scenario 1 in Another Story.
Finish scenario 2 in Another Story.
Finish scenario 3 in Another Story.
Finish scenario 4 in Another Story.
Finish scenario 5 in Another Story.
Finish scenario 6 in Another Story.
Finish scenario 7 in Another Story.
Finish scenario 8 in Another Story.
Finish scenario 9 in Another Story.
Unlock all gallery thumbnails.
Reach the bad ending.