I’m glad you liked it, it’s one of my favorites! Here is another one, it is a bit different and I keep it on my depression list but I love it: https://www.mangago.me/read-manga/incidentally_living_together/ there are a few more on my list but I think the other two are told from the seme perspectives.
You know ever since you brought it up I typed in low self-esteem and the tag section and I’ve been finding like these cute little stories: https://www.mangago.me/read-manga/sweet_or_bitter_love/

BLs where the MC has low self esteem. I’m looking for angst thank you!