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