Not really mind control. One of the girls is a clone of the MC's osananjimi, made by his grandfather and loaded with the first five years of her memory. (MC accidentally interrupted the process of loading her memory.) MC ends up having to "raise" her, but has a hard time restraining himself from taking advantage of the mentally five years old clone (which disturbs the original when she finds out.)
I don't think that there's a separate clone/homunculus tag for "non mechanical artificial human" where the robot tag doesn't apply (since clone is a synonym for selfcest, which isn't going on here). This shares some aspects with infantilism and age regression in a way.