Saijaku teima wa gomi hiroi no tabi o hajimemashita .
Read ch. 19.2 Novel link: https://www.novelupdates.com/series/the-weakest-tamer-trash-picking-journey-begins/
Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~
Read ch. 33
I Will Go and Disappear Obediently
Read ch. 5 A 6 years old girl of a Duke family (Luce) is able to forsee (see the future). She forsaw that She has no magic power but her little brother Glen (who was Born shortly after) has (plus He has some pretty powerfull magic - all 4 elements) - this will make the title succession problematic (the other nobles or priests were (in the dream) against her being the duke -> war). So She decided to leave after her brother is born. However turns out She has a "Holly magic power to heal" but only the parents and grandparents know about it (She doesn't) so they assigned a bodyguard Luca to her... turns out this kid is guite hardcore.
Maou Gun Saikyou no Majutsushi wa Ningen datta
Read ch. 7 Ike is a Japanese dude who reincarnated into another world (yes another one od these plots). However He is a subordinace of one of the Demon Lord's general (who is a witch). The thing is his race is human, not a demon so He wears a mask - looks like a demon. Only 3 "people" (a maid - knows by accident, the general - knows all along, and the Demon Lord/Lady who most likely reincarnated herself).
Realist Maou Niyoru Seiiki Naki Isekai Kaikaku
Read ch. 14 A dude died And then got reincarnated into another world as one of the demon Kings. However he's weak but not stupid. He destroyed the only weapon that can kill him (if I don't count the destruction of a magic core that Is protected by his castle). He even manipulates other demon Kings so he can have the upper hand.
Fake Cinderella
Read ch. 4
Akachan Ryuu no Osewagakari ni Ninmei Saremashita
Read ch. 14
Kuro no Shoukanshi
Read ch. 49
Potion Tanomi de Ikinobimasu!