Judging by the cover the moms are alive and going by the description they are half-brothers, so the dad cheated on his mom so both moms decided to bury him alive and got married?
You do this a few more times and *BAM*, you end up with a harem MC. This is how kids, MCs get the Acquired Density Disorder. They get toyed with again and again and again until the perceptive part of their brains gets chipped off or shuts down. And ofc this is a super rare case, in most cases...
I think the mom's been turned into an undead or is brainwashed and is just a puppet of those ruling from the dark. Cause no way the author's gonna end it with this, especially after showing us her flashback. My weeb senses are tingling.
@Walter_vi_Britannia I read that one. It's the only gender bender story I've ever read. I'm super not into gender bender stuff but read it cause of the reviews on NU and a bunch of recommendations from other people who are also not into gender bender and I don't regret it. It was really fun esp...