CASTER BIZ is an online assistant service that supports your business remotely. Excellent staff from all over Japan (with a hiring rate of 1/100) will quickly respond to a wide range of work, from daily work to specialized work such as accounting, hiring, human resources, and sales. Work that is difficult to handle due to lack of in-house resources, daily routine work that wants to be a little more efficient, etc. We will meet all the needs of every business.