The reason they say it's cursed is because some people involved in the production including an actor I believe ended up being bad eggs (lawbreaking). Don't remember the details but it can be looked up. Don't think Ryo is Karin's type though, since she's pretty clever and has a streak of narcissism, similar to Sayu. They seem like the kind of girls who go for mellow, easy going guys whose mind is an open book since they themselves are rather calculative. Ryo is the kind of guy who is very well aware that he's good looking and can play into a girl's head, a bit on the cocky side. He was asked during a Q&A with Karin and the rest of the cast present what he actually thought of Karin and instead of giving an objective and professional answer he deliberately answered with a flirty "It's a secret~", even though it's obvious it would cause a slight twinge of annoyance to the fans and indirectly Karin who already has enough on her plate with him playing her boyfriend. Cutesy, innocent playful Karin pre-budoukan (which she says was just a character) I could totally see crushing on him just based on looks but the real post-budoukan Karin, not so much. She is very clever and good at figuring people out and with how popular she is I think personality is a critical factor.
They say that because 2 actors had big scandals later. So they were speculating who is next...
First Takahata Yuta
http://aramajapan.co...pe-crime/62874/
And recently Koide Keisuke
https://www.japantim...y-underage-sex/
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Yes, i remember the video where Ryo said that, "MaidigiTV" deleted Budokan's press videos when Takahata's scandal happened. T-T
Well, we ship them but, you know, it's just fantasy 
She of course liked him, i can tell by just looking at her eyes and red face at the documentary lol, she is young it's normal. But she is also really professional.
We don't know what kind of guys she likes (i don't even know if she knows that herself, she entered to this world really young and probably didn't have oportuny to experiment these things) or will date when she stops being an idol. With that said, i would not hate if Ryo gets to be one of them lol
I mean, he is young too, handsome, he gets various importand roles now, his populary just keeps raising and probably (maybe he has a girlfriend now, who knows) has been with a lot of girls and all that. But this doesn't make him a bad guy, from what he shows he looks pretty kind and sometimes a little awkward, we can't judge him, his personality is unknown for all of us and i could say the same for Karin. They both know pretty well what they should show to the public.
Anyway the future is a mistery, i just want Karin to be happy 
and i won't forgive any dude who dare to hurt her.
. I guess she will show the track she made with the DTM(? Lucky people...
