This manga is pretty wild. It doesn't have the terrifying designs of ghosts that Mieruko-chan and Dark Gathering has, but it doesn't need to with the themes and high sense of adult fears. They do have some creepy designs and ideas though.

Child drowning in silence. Sticking scissors inside the plugs. Following strangers that look like your parents. Even with supervision, the children are never safe, because teachers don't believe in ghosts.

At least Chie-sensei soon does, her experiences are terrifying. But she can't always see them, or the danger.

Gosh, even Kaya-chan can't sometimes. She sees her mother, her father, and follow them. Despite everything, she's just a kindergartner learning how to be a child, she didn't even know to not stick scissors inside electric plugs.

She isn't a fan of babies either. To be fair, there's something really wrong with that new sibling of hers. Why can't she enter the second floor of her own house? Why is her mother secluded when she seemingly is not noticing what's up with her baby on her belly?

Oh, Kisaragi Station shows up. I suspected the moment the child hater escaped and left a teacher and a child inside the creepy train. And then they confirmed it lol

Anyway, it seems Kaya has powers since she was born, considering when she saved Mob (the sus looking guy with a pretty wife/driver). And damn, damn, Mob!!!! He's kinda sus and an actual stalker (due to his job, that's fair somewhat), but fuck, what happened to his daughter is so fucked up. He thought he was having more time with her. and then she turned into......

that.

(the picture isn't loading but well, more reason for you to check up the manga, right?)

The manga hasn't finished yet, I'm on chapter 13 but it promises at least a kindergartner ending with one punch or two the existence of creepy beings creeping on small children.
And shows that strangers don't look like strangers when they want to harm children. They look like trustworthy people, like a toddler boy who has scissors to catch the ghost because both of you can see it. Or your own mother taking you "home" during a visit to the park with everyone, luring you away from the teachers and children. Or your daughter who doesn't look like your daughter anymore and asks to bring her mother to the other side.

If adults easily open up books they shouldn't and overlook accidents in the swing, why would a child think twice before taking up a possessed doll who will break her teeth? Even Kaya isn't completely immune to their tricks. And neither are the adults.

Oh, it seems to have another manga related by the same author? It's Chie-sensei Wa Mienai, I haven't checked it out yet but Chie-sensei appears again!