[2] His design features green antennae which have the shape of the first kanji character for Yamaguchi (山), which catch the abundant energy of the people and nature.

[5] As a further point, due to the submission rules for the design contest, the copyright for Choruru belongs to the Oidemase Yamaguchi National Sports Festival Executive Committee.

From 2008 onward, Choruru participated in a range of events across Yamaguchi prefecture in order to promote the National Sports Festival.

The total sales of related goods, including Choruru National Sports Festival pin badges, topped a ground breaking two hundred and eight million yen.

[16] Even though he called for support by visiting the entrance of the Yamaguchi Prefectural Office, the Tokuyama Zoo in Shunan and so on, the gap between him and the top ranked yuru-chara, Barysan from Imabari city in Ehime, in terms of votes received was very large.

[17][18] When the final results were announced on 25 November 2012, although he could not close the gap on Barysan, he managed to maintain second place having received 462,970 votes.

Afterwich both characters worked toward sending joy to people by way of participating in each other's events and collaborating on promotional goods and materials.