Tao

A brilliant technological prodigy with unmatched programming skills, this modified human serves as the lead operative of the RK-4 unit. As a member of Dr. Iris's DA-5 group, he possesses a warmer temperament than his colder counterparts. Currently balancing a role as a security guard at Ye Ran High School, he lives alongside Takeo and M-21 at Frankenstein's estate, utilizing his genius-level intellect to navigate a complex world of advanced science and strategic defense.