游戏说明：

游戏控制

AD or ←→: Move. Either the blue child or the red child can be operated at once. A blue child can jump. The red child can pass through a small gap.
W or ↑: Jump. Blue child only.
V: Switch operation. It cannot be used continuously for a short period of time, or it cannot be used while jumping or in a narrow space.
B: Swap the places of the blue child and the red child. Operation does not change. It cannot be used continuously for a short period of time, or it cannot be used while jumping or in a narrow space.
Space: Pick up an item (if possible). Picked up items are consumed when they touch the right place. Also, if you switch the blue child and the red child, the item will return to its original location.