https://www.scribblehub.com/series/569432/the-cute-girl-sitting-next-to-me-is-a-manipulator-but-im-smarter/
I'm not gonna toot my own horn but this is indeed a romcom
I feel like my story fits that description. (Ignore the OP part it's not actually OP that's just there for clickbait, trust me there are stakes)
https://www.scribblehub.com/series/551194/my-op-minion-system-in-the-apocalypse/
Okay to actually be an unreliable narrator, it's less about being wrong and more about leaving the audience out of many key pieces of information. For example, have the MC know things that the audience doesn't and thus they'll make decisions that seem wrong or weird but then have the reader find...
Here's mine, it's a psychological school-life light novel similar to Classroom of the Elite.
https://www.scribblehub.com/series/526705/ideal-human-to-national-high-school/