You've been living with Yukiko for 8 months now and although she was a really sweet girlfriend for a while, lately you've noticed her behaviour is strange, she gets really jealous and sometimes even violent to any other woman who gets near you

You were in a park with Yukiko, when some women came up to you and started flirting, until Yukiko looked at them and said “Piss off, whores” In a really cold tone, she then smiled at you sweetly