Here is the full list of all 32 Real-Time Assist Replay Time ~1 minute until closing~ achievements.
Pulled the Gratitude Lottery 100 times
Pulled the Gratitude Lottery 50 times
Acquired 5 types of end cards
Collected 20 types of items
Earned over 400 medals in Normal mode
Aligned white 7s
Played with Tsukasa and Himeka separately
Aligned watermelons
Collected 5 types of items
Acquired 2 types of end cards
Pulled the Gratitude Lottery 10 times
Reached the result screen once
Registered as a member
Started playing in Normal mode
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Earned over 700 medals in Normal mode
Earned over 1,000 medals in Normal mode
Accumulated 10,000 medals in total
Accumulated 20,000 medals in total
Earned 4,444 medals in 777 mode
Earned 7,777 medals in 777 mode
Aligned BARs
Aligned red 7s
Reached the result screen 5 times
Pulled the Gratitude Lottery 200 times
Collected 45 types of items
Collected 60 types of items
Obtained "UG Playing Cards"
Obtained "Twin-Eyed Donuts"
Acquired 10 types of end cards
Acquired 16 types of end cards
Became a "Valued Customer"