Isekai'd as a side character

Mary Albert remembers that this world is an otoge she played in her previous life. She turns out to be a villain, harassing and interfering with the heroine, and ended up meeting destruction at the end; the so called ‘villainous girl’s downfall route’. The obvious reaction is to carefully avoids the destruction ending... or not.
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○ At first glance you’re gonna say, “Wait, what? A villainess isn’t a side character.” Bu

Jinsoo Lee has played this game before and knows enough about it to realize he’s been transmigrated as a villain who dies way too soon. His new plan is to lead a quiet life while he figures out a way back to his world. But for some reason, things aren’t going the way he planned. Can Jinsoo find his way back from his sister’s dating sim?
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○ : violence against a child

After getting struck by lightning, she finds herself in the body of Sisha Arvina, a character briefly mentioned in the novel “The Emperor Doesn’t Pick On Flowers” who kills herself early on after being rejected by the deuteragonist, Iape. But it turns out that the novel’s description of events revolving around poor Sisha are not truly what transpired…
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Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body. A world he created himself and a story he wrote yet never finished. He had become an extra with no importance to the story whatsoever. The only clue to escaping is to stay close to the main storyline. However, he soon finds out that the world isn’t exactly identical to his creation.
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○ : abuse; kidnapping

Transmigrated into a tragic novel as the female lead’s best friend, Kim Heesoo must get as far away from Claudia Chamberlain as possible if she wants to live. But how could she possibly let down such a sweet girl?
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