Summer Princess Koharu's Senshi Contract

A contract that seals the power of "Cool Summer Princess Koharu", with the power to summon spirits.

Using it will gain 1 point of "Cool Summer Princess Koharu" star energy.
Accumulate 10 star energy to unlock the spirit "Cool Summer Princess Koharu".
You can buy recipes from the hut spirit "Cool Summer Princess Koharu" to synthesize the contract book into an exclusive refine scroll.