
The spoiler
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Uryu feels invisible at home, which is why he doesn’t like going back, no matter how good of a person he tries to (feeling a bit inferior to older siblings) so while he knows what he’s doing is bad, he chooses to do so because he thinks that’s the only way he can get someone to pay attention to him. He tells Haru this and Haru will ask Uryu to not continue
Uryu actions will bite him in the butt later as a stranger puts him in a scary situation but Haru will save Uryu before it goes very far. From there things will start to be better for Uryu, with his family and the romance of the second couple will start to grow after that scary situation.

The more specific spoiler
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He gets stalked and kidnapped by an old partner, force fed the pill to force him into the mood, dragged to bathroom and guy pulled out his phone before anything happened saying he wanted to get pictures/video and then Haru arrives to save Uryu before anything actually starts

Wait omg I’m so sorry I feel like it’s possible you might be asking what Uryu was doing that was bad so I’ll just also make it clear that Uryu was choosing to meet with older partners because he believed that that was the only way to get anyone to pay attention or look at him. My previous comment above this one is about the scary situation with the stranger—

Oh it's okayyy i get it and thank youu soo muchhh, honestly whenever author adds stuffs like this with minors and let's say just their character. I feel like it's way for them to show their sick fetishes cause if you want to portray smth serious, do it in another manga without the tag of smut. Finna have to frop this one now
Spoil me on the second couple plz I'm scared to read it, I need warnings