【Yotsumi Wax】Kaga-san Failed to Develop: Revision 8

The ninth installment of the strange daily manga about Kaga-san and his mysterious creatures.
Penguin and Cotton accidentally develop a time machine.
The story follows the adventures of a young boy and his family as they travel back in time to settle a long-standing grudge against Kaga-san. Their Back to the Future project begins now!