In the game Pink Hour, there are multiple endings. This specific guide describes the ending where the important document is destroyed, and the main character from the game "Kero Blaster" will retrieve it for you.

Though it seems obvious, one must play the game to the point where they can collect the document. Try your best to lose as little as lives as possible, because from this point on the game becomes much harder. When the document is taken by our favorite pink character, a boss will spawn and you will have to fight him.

To destroy the Important document, the player must be hit once by an enemy. Get hit by the boss once and only once. After the document breaks, kill the boss. Again, do the best you can to lose as little lives as possible, because the game will only become harder from here.

When the boss is defeated, there are only a few more stages left in the game. One last time, do the best as possible to lose as little lives as possible. On the very last stage of the game, a teleporter back to C&F Industries will appear, enter it (and be SURE you do not have the Important document).

After you enter the teleporter, you will be sent back to C&F Industries. You will then have to talk to the president, and the secret ending should play (as long as you did all the steps correctly).