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Gronru
Gronru's Game
Out of the blue, Gronru challenges you to a game. If you lose, she'll do something "extraneous" to the Colossus.
Small Crush
You got an odd gift on New Year's Day. The giant box would sometimes tremble, with occasional stifled coughs...
Clearance Operation
Gronru has developed a new game. If you can't pass it, you will have to pay her a hefty sum for the Colossus' repairs...