Both the Male leads from Mr. Bad and Night of love with you are fictional character.
Mr. Bad - Male lead is the Fictional character from the novel written by Female lead
Night of love with you - Both Male lead and Female lead are the fictional character from the Manga

Night of love with you (Synopsis)
An accident happens when manga character Qi Qi, who has played antagonist female supporting roles for many years, enters the new comic "Night of Love With You" and becomes the heroine Luo Qing. In a story where the male lead has suddenly disappeared, the supporting female lead is closing in and the male antagonist doesn't have a love story anymore, will Qi Qi find her happiness?

Both the Male leads from Mr. Bad and W-Two Worlds are fictional character.
Mr. Bad - Male lead is the Fictional character from the novel written by Female lead
W-Two Worlds - Male lead is the Fictional Character from the webtoon written by Female lead's Father

Mr. Bad (Synopsis)
Nan Xing is an online novel writer whose main character is based on her idol, Lu Zi Chen. The main antagonist is Xiao Wu Di, a cunning and manipulative martial artist.
One day, Nan Xing makes a wish for an "unforgettable love" in a Fairy pool. To her surprise, Xiao Wu Di, the villain of her story, suddenly appears before her! She tries to avoid him, but Xiao Wu Di finds her and threatens her into taking care of him. Unfortunately for him, Nan Xing's wish comes with a special power: whenever she needs help, Xiao Wu Di teleports next to her to fulfill her wish.