Responses
Have you read this?
http://www.mangago.zone/read-manga/yankee_and_yandere_dont_have_friends/
http://www.mangago.zone/read-manga/ryle_and_louis/ from the little I read. Calls the guy "My Ryle"
I found this thread by chance while I was looking for smth else https://www.mangaupdates.com/showtopic.php?page=1&tid=14933
Looking for a manga that is borderline BL, but not marked as yaoi or shounen-ai.
(For example one guy is devoted to or flirts with another. Or two guys often get mistaken for a couple. Or one guy is always blushing because of another. Stuff like that.)