The side story i have been looking for for a long time is about the uke confessing to the seme but the seme instead pushed down the uke and started messing with him and rejected him. Well the uke started crying which made the seme feel disgusted and left the uke lying in the grass. Well ever since that day the seme couldn't get it up to do it with girls because he kept thinking about the uke's crying face and he thought he had erectile disfunction.

Well i think the seme had longish light colored hair and the uke had short dark colored hair. 😕
Oh and i kinda sorta remember a scene where the seme and his friend are walking down the street and the seme was telling his friend about his sex problems and the friend offered to give him a blow job but i think the seme said no and he ends up bumping into the uke and the uke misunderstands and runs away.
I probably got things wrong but yeah.

That's all i can kinda remember of it. Everything else is lost in my bad memory. So please please help me!
😀

What you're saying reminds me of Akiyama-kun but some things are off ...

Here's a search of yaoi with the tag Impotency. It may be there.

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I definitely have read this and wow it's at the tip of my tongue... DX

For some reason Yamada Yugi and Kano Shiuko come to mind, so it might be something by them. I strongly suspect it being the former or at least something with a similar art style.

Edit: After some searching, I think it may be chapter 2 of Chiisana Glass no Sora. Just skimmed through it and it appears to be it. :3
Edit2: Never mind. You appear to have made another thread about this once before, and someone else suggested this title and that was not it. So I guess it is not it, even though everything fits. I suggest you double-check if you based that on the cover alone or the first chapter.

Next time bump that thread instead. :3 I am surprised kitty1826x didn't point that out. And just for the record, I shall note down that it is not locked. hehe.

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Oh My God 😲 ! Why! Why did I judge a book by it's cover!? That's it! Chiisana Glass no Sora! Thank you thank you soo much. You wont believe how many times I have looked over this manga and was like "Naw, Its probably not in this one." or "Have I read this before? Probably not" and even "Doesn't look familiar or interesting". Man, my memory sucks. I need Lumasity. But thank you! 😀