Haruka Hoshinogawa

The main protagonist of "Hirake! Cocotama", she is a 5th grade student who live in the town of Sakura Town. Very hard working and creative, she is also very friendly to people especially to her friends at school. However, she doesn't excel well in studying. Since her childhood, she admired her grandfather and the cherry blossom tree that was planted on his Antique Shop. However when her grandfather decided to take a trip overseas, he entrusted to her the care of the Antique shop. It was that time that she met Ribbon and received the Key of Wonders, making her the Legendary Cocotama Contractor.

As both the contractor and new owner of the antique store, she tries her best to keep her friends happy while doing her duties to discover the secrets revolving the shop and the strange picture linking to the Key of Wonders.