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kiara directly said (in serious situations and out of yuribait's possibility) that she likes women (yes, i'm talking about roommate)
neither did she totally deny feelings for men (although she despise that a bit, maybe in no-serious ways)
she literally told a friend "just date girls" in response to a shitty boyfriend she had.
I don't know where comes that she's wanting to be seen as bisexual so much, it contradicts several other things.
"Boyfriends" things aren't "several". Just 1 or 2 during her adolescense (at least known)
People obsessed with that should just do some research and shut the fuck up