I know it is a yuri manga and I hate it when guys interfere with the yuri, but in this I absolutly don't care about our MCs, they are just trash, they just sacrifed a nice dude to get what they want, I couldn't live happy after getting pseudo NTR'ed/ railed by someone who isn't my real love and then sacrificing one of the parents of my (step-)daughters.
The overall concept on the other hand is pretty great, timetravel to save the love of your life would be a nice twist in yuri mangas but the execution in this one just felt off.
Also the extra with the incest and age gap couple, I don't know but I guess just throw every taboo theme into it and hope for the best, I normally don't care about that in yuri fiction, because it is ficiton and there can't come offspring out of the relationship but in this case it was like "I have all these characters and they need to get girlfriends, so how can I pair them up?", I give them somehow a pass, as no one of these four has done something evil like the MCs, but the choice for this comedic part wasn't fitting to the overall tone of the manga imo.
