This is pretty credible if you consider past information about Nanamori, Kizuna and Luna:
https://twitter.com/zeroblade/status/1229693211708252161Basically Nanamori and Luna knew each other and were close enough to talk about their income. Later, Luna introduced Kizuna to him, and it seems they became close too.
So probably Nanamori has been having sex with both for a long time and didn’t stop even after marrying Kizuna, having a child with her and making her pregnant a second time.
It’s true Kizuna's seiyuu is professional and shouldn’t be This is pretty credible if you consider past information about Nanamori, Kizuna and Luna:
https://twitter.com/zeroblade/status/1229693211708252161Basically Nanamori and Luna knew each other and were close enough to talk about their income. Later, Luna introduced Kizuna to him, and it seems they became close too.
So probably Nanamori has been having sex with both for a long time and didn’t stop even after marrying Kizuna and having a child with her.
It’s true Kizuna's seiyuu is professional and shouldn’t be expected to approach Korekore but the voice is undeniable proof, it will affect mostly Nanamori (as his female fans will hate him now), while Luna gets slut reputation, and the character Kizuna Ai isn’t affected that much since her average fans won’t care much and there are other seiyuus.