It doesn't matter. If the mangaka wanted us to focus on that, then there would have been panels of them discussing it, or even outright just showing us. But so far it's ambiguous. So I'm guessing we're not supposed to focus on their bedroom antics. BUT since people in the comments section were discussing it, I'd like to posit this alternate theory: Maybe they're SWITCH Like, WHY doesn't anyone ever think that they could be switch?
Answer...
It doesn't matter. If the mangaka wanted us to focus on that, then there would have been panels of them discussing it, or even outright just showing us. But so far it's ambiguous. So I'm guessing we're not supposed to focus on their bedroom antics.
BUT since people in the comments section were discussing it, I'd like to posit this alternate theory: Maybe they're SWITCH
Like, WHY doesn't anyone ever think that they could be switch?