P5rcoop is full, what should I do?

Each P with the strongest attribute needs the corresponding coop to be full before it can be synthesized.

In addition, after the coop is full, there will be better additional effects, such as

Temperance MAX, the head teacher, can ask for a special massage at night after returning from the maze. You can move when you can't move at night. After the sun is full, you can persuade P who is taller than you to take off the mask and be firm. After that, you can add materials and gold to synthesize a higher P than yourself. Just give a few examples that you remember clearly. There are various additional effects after COOP is full.