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