The phrase Shinseki no Ko to O Tomari Dakara appears to be a misremembered or alternative title circulating in fan communities (primarily on TikTok and Facebook) referring to a series that some viewers find "traumatizing" or "realistic" in its depiction of romance and drama.
"Shinseki no koto wa tomari dakara, animation new." → "Because it stops at the relatives’ situation, it’s a new animation." shinseki nokotowo tomari dakara animation new