A manga I can’t remember, read along time ago

I read this manga a long time ago so i remember vague details, hopefully I remember enough for somebody to recognize it but basically it’s a love triangle. There is a dark haired guy with glasses who is like best friend with the mc. The mc also has a crush on Mr. Four eyes but ends up moving on because I think he rejects him. He later meets another guy (can’t remember what he looks like) but I think I remember their relationship being wholesome. Four eyes comes back and annoyingly enough realizes he likes mc but it’s too late because mc is happy. But all this is thrown out the window after the mc loses his memory and ends up going back with the four eyes because that’s the last thing he remembers. AND IT PISSED ME OFF SO BAD BC THATS ABSOLUTELY NOT FAIR AND I ENDED UP DROPPING IT RIGHT THERE. Idk if that’s how it ended but years later I want to come back and find out if Mr. Four eyes actually ended up as end goal. (which is absolute horse shit if it actually happened #－.－, but don’t tell me if you know)