Weird personality wise.....would be a character that's on a comic which is currently not on this site...
I don't really consider her weird, this is more so ignorant? She was a supporting character who was dating the MC. But her sister had to come and stop them before they got too serious, as the woman had EXTREMELY frail health and shouldn't get pregnant until she can get her health back up.. This immediately lead to a "breakup"... But not before the main character had turned her into a dragon through their encounters
Near the end, it's revealed that she had been transformed by this point and instead of going back to him to start a family like it's assumed she wanted to do so badly...she just starts sleeping around. Even after they meet up and pick up right where they left off, she shows she's still very much interested but still kind of just leaves him on her own volition.
No pressure, she still loves him
being a dragon person will ensure she's healthy enough to have her own children
They could of always adopt..
But naaah...
Another one is actually in UBERNATURA:
In the latest arc as of now; there's a side character named " Tristan " who's modelled after Trunks from Dragon Ball Z.
Similarly he's from the future and warns the main characters about that comic's version of vocaloids, who will destroy earth! But unlike Trunks, he went from honestly trying to help to becoming extremely impatient and severely altering the timeline....AFTER the MCs save the world and his time!
The comic's version of the Dragonballs would technically of fixed everything, and the comic would've had a curious turn events, but in the name of "efficiency" Tristan altered something that had far more... Sway on time, than just simply stopping the androids from existing. So it messed up the events and if course altered everybody's memories in that period, everything hood that came out if it was gone. But he wanted then to try remembering just the battle experience, which of course didn't work and so he immediately yells at main characters-the guys who helped them, completely forgetting they saved many lives before he screamed around...