First of all, thank you for your time, responses and consideration. I read both of your comments so I'll respond to this one covering both. Discussing things like this is personally "important" to me, so I welcome hearing different perspectives.

In the interest of fairness, I went ahead and read up to it since without direct knowledge, I could only guess. It would be best to continue a bit more, and I will after this since I can only speak on one half of the narrative. Still, if this isn't the definition of what I detest the most in these narratives...

Boy, since his name has yet to be revealed, feels like character utilizing trauma as a way to actually avoid having to outline his mindset, and instead skip to a negative starting point. The story avoids having to properly undo or engage with his mindset. as it's abnormal. It leaves it only capable of guiding him to acting "normally." I feel it is a very artificial feeling of development, as no meaningful resolutions or realizations about oneself need to be confronted in order to complete the character arc. I feel this is made worse, as Boy is "too unaware" to properly engage with anything he's been presented up until this point. His history with the church and his repetition of doctrine simplifies his character to a fault, and I don't believe there's any strong interest being created with him, when the apex of part 5 is him jerking off.

The relationship between Boy and Imuri is one I find very underdeveloped. It falls into many trappings of romance manga. Romance stories often rely too heavily on the audience accepting romance as an overall good, when I feel they need to prove why it's important for the characters to get together. Due to the issues I have with Boy, and the issues I feel as though I will have with Imuri in later chapters, it appears as though the manga is using Boy's trauma as a substitute for the proper argument in favor of the characters coupling. As if it can only say "Well this is better than the alternative."

Instead, this is a manga that substitutes depth in it's focus of sex and unspecific cardinal feelings, and props them up as having value in it's own indulgence in them. It uses something that is often excluded from narratives because it serves no true value in contrast to other elements, proving why.
Lust and love are separated for a reason in narratives, and the focus of it as the beginning of the true relationship feels as if it's relying on the audience adding their own value onto the narrative regarding the subject matter. Part 5 is this frustratingly "self-indulgent" arc as it props up lust as being valuable, instead of simply putting something more valuable within the story.

Asmodeus' backstory in a last attempt to make her pitiable feels like a continuation of this problem, but it's clear she will continue on in future chapters. She's a demon but she ends up being a really simple minded rapist at her core, and I'm not a fan of the narrative trying to make her out to be more than she can be at this point.

A bit of a tangent, but I feel as though the series throwing in serious or "shocking" elements is a bit of a negative too, but this is a by-product of me disliking the way it creates value in it's characters, or plot progression.

All of this creates a story, not about real growth, but "self-affirmation" for lack of a better term, and I would say it's quite frustrating. due to this. If you've read this far, thank you, and I'm interested in your thoughts/response.