I'm pretty sure it's by ootsuki miu, but I can't seem to find it among their works here. it's a short slice-of-life where one of the mcs has this 'ability' to spot the guy from his group of friends he likes no matter where he is, and things get angsty when he falls under the impression that said guy is used to sleeping around. here's a panel from the story I had saved: https://66.media.tumblr.com/9520fd3087049f9ff387c95b0f3084cb/tumblr_pgy7qy6GHc1utd3smo1_540.jpg
I'm pretty sure it's by ootsuki miu, but I can't seem to find it among their works here. it's a short slice-of-life where one of the mcs has this 'ability' to spot the guy from his group of friends he likes no matter where he is, and things get angsty when he falls under the impression that said guy is used to sleeping around. here's a panel from the story I had saved: https://66.media.tumblr.com/9520fd3087049f9ff387c95b0f3084cb/tumblr_pgy7qy6GHc1utd3smo1_540.jpg