To share Isshin's delicious tea with the world, Chako snapped up the collaboration offer from a wedding company. But the company went bankrupt and ran away! The tea farm in financial difficulties now has a bigger debt. Chako cares about Isshin so much that she went out of control, and blamed herself. What did Isshin do for her then...? And who's the mysterious pretty woman who suddenly appeared?! What's her intentions?!