Responses
From what I remember its not actually incest but an omegaverse "can't control their nature in the moment" type of excuse situation.
https://www.mangago.me/read-manga/kimi_wa_mu_kamenai/
And it has a spin off I haven't read yet.
https://www.mangago.me/read-manga/boku_wa_mada_kamenai/
I believe this one can count
https://www.mangago.me/read-manga/ai_to_makoto_moriyo/
Any ABO story that use incest element in it? Whether it use in positive(mc) or negative way, i dont mind