Oh ! I didn't know about this...thanks !
Think they covered the part where even though he inherited Shizu's form, he still lost his son.... Ie his d.
I'd say as his slime form he's genderless even though he was formerly human. So with both "forms" his human side emphasises more with the monsters, and his slime (monster) side is harsher with humans that harm his own kind.
Btw shouldn't it be more of Guy and his crush? Infatuation? With Leon? Or it's just his way of showing formality to an equal demon lord?
I love the fact that this manga is open to sexuality even if it is not the priority, we still see that the author is open-minded! more manga like that !!
Can we say that rimuru is non-binary ?? And bi-curious ?? Or is it just me ?