Lumiere is a new student in Paris who is bullied at school but Hawk Moth gives him the power to kill anyone with a Death this story the only heroes are Ladybug and Cat ere is a sentimonster also

Marinette gets switched with her counterpart from another world during an Akuma attack. There are no Miraculous in this world but a killer called Kira who somehow kills with heart attack. She ends up finding in the drawer of her counterpart, a black notebook... oneshot free to use or continue.

Raito Yagami would sometimes wonder what would happen if he wasn't kira.Due to some circumstances he gets transported to..Paris? Raito,now in another dimension, must now become a superhero and fight alongside with Ladybug and Chat noir.(I would have said more to this summary but unfortunately i don't want to give spoilers-and i feel lazy :p-so just read and you'll understand)