Ugh I'm now in love with the dom MC-Marky dynamic as well, really like how messy and toxic the co-dependency is and it's honestly the reason why Marky is my favorite character.
Honestly his plot lines in both sub/dom Marky and Haruki's routes are just so incredibly cute lmao, I actually enjoyed his story in Haruki's movie date the most cuz he was just so adorable and less..murderous? I just personally enjoy the more saccharine aspect of Marky lol. Anyways thanks so so much for the update, absolutely ecstatic finally got to read it!