No no
This isn't just some cuck fantasy
This is an insane cuck fantasy.
Getting cucked by a stranger, and now the person who cucked you also wants you, which I'm pretty sure would just circle around to him cucking his ex-girlfriend.
I think the artist does have "other" works involving these two. Honestly it makes it far weirder so its better to pretend they aren't real and relevant to the story at all.
"Fierce battle"
Either he's about to get his shit rocked astronomically, again, or the battle will be one of the same variety of trying not to get a stiffy with Himari in the bath.
Yeah I can't say there are a lot of romance mangas I've seen where the MC actually seems like he's sort of the bad guy, but tbf I don't read a lot of them anyways.
I'm starting to realize why people are dropping this. We are at 49 chapters and no real progress has been made. He still just stares at her, fully aware of his feelings, and his thoughts of this situation are only ever kept thoughts. I mean like in chapter 48, the last full chapter before this...
I need her to acknowledge the situation of living with him, and being this casual. I feel like a reevaluation of their relationship would need to be in order. Their situation goes a bit beyond just regular roommates, and perhaps its just me but it almost feels weird about him understanding that...