People who whine abt the gay rui evidence are so annoying, I don't personally headcanon him as gay but has a preference to men
"HE ISN'T GAY!1!1!1 HE CAN'T BE GAY!!1!1" SHUT UPP
PEOPLE ARE ALLOWED TO THINK THE WXS WORLDLINK CARD OF HIM CAN BE GAY FLAGGING ARHRHRGRH
Do I think the fact Rui has NEVER blushed at a female character can be a sign he likes men?? Yes
Remember how Haruka can charm ANYONE?? Even ALIENS?? Boys, girls, they all blush when in her presence. When Nene met Haru, she hid behind Rui and blushed. Rui?? HE JUST STOOD THERE SMILING NORMALLY PROBABLY THINKING "cool"
BRO LITERALLY SAYS "I can't help but respond when he makes that face." Reffering to Tsukasa's >:(