CYaRon! is a sub-unit under Aqours. The group consists of three members, namely Takami Chika, Watanabe You, and Kurosawa Ruby.

The group was formed in phases:
On December 2015, six different configurations were offered to be chosen from.
On January 2016, the unit compositions were revealed, and people were asked to submit names for them.
On March 2016, the choices for unit names were revealed.
On April 2016, the chosen unit names were revealed. CYaRon!'s name was a combination of the initial letters of the sub-unit members' first names ("C" of Chika, "Y" of You, and "R" of Ruby) to form a cute sounding name, CYaRon! Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.