I Became the Mother of the Strongest Demon Lord's 10 Children in Another World.
Vol.9 Ch.33 - The king is working for the evil angel who demanded they be in prison and executed in front of the entire kingdom in an effort to harvest their negative emotions for more power. The kids go berserk thinking their mother has been murdered and go on a rampage. The singing baby stops the rampage but they’re still three going wild.
Beware of the Villainess!
126
Isekai Tensei no Boukensha
12 - Loses family and starts over after getting merc’d by zombified monster army. Failed by royal soldiers Has(had?) a pet fenrir
Tenkuu no Shiro o Moratta no de Isekai de Tanoshiku Asobitai
36
Otome Game no Mobu desura naindaga
Vol.4 Ch.20.2 - MC has gotten sick after going to the princes birthday ball.
Maseki Gurume: Mamono no Chikara o Tabeta Ore wa Saikyou!
40 - MC investigates the mystery behind the magic stones and the red fox n what they have to do with the demon king and its parents. Mc is concerned about consuming the stones and becoming nonhuman. (Not that he’s gonna stop tho). Gets in fight with enemy dragon from role models time & faints
I Will Seduce The Northern Duke
31 - Couple has made it to the capital and the queen has decided to forcibly show up with her daughter. FLs “closest” maid is suspected of spying on her and sabotaging the previous fiancé thru subtle diggs at her self-esteem and public embarrassment. FL is a famous actress stuck in another world. ML has her working to help him suss out who’s responsible for murdering his previous fiancé candidate.
I Found a Husband When I Picked Up the Male Lead