Mic's Questions (4)

I don't remember much but it's a story of like pets like from a pet world or smth like there is this sister and brother duo that are human and take care of them basically they escape their world and pass through a tunnel and reach the human world

I don't remember much but it was a harem manga where big boobs are considered bad and they are prostitutes etc also flat chest is preferred and the ml is reincarnated smth in that world and also it was a harem

Please please recommend me some bully plots where the seme actually bullies the uke like not rivals and shit like actually bullies him but them he falls for him typa shit

Can somebody recommend me a story where the uke is bullied by the seme but the seme slowly develops feeling for the uke ?? ╥﹏╥