"Yuuki-kun! I hate this guy. Because you get along better with him than with me." Some of Megumi's last words before she kills Natsuno's best friend Tooru, who she was jealous of for getting so much attention by Natsuno while he never had a single spare moment for her..
"Making someone I hate suffer feels really great!" Megumi's spinning around sadistically after she kills her childhood best friend's father for daring to even come near Natsuno.
Megumi Shimizu is one of the main characters in the anime series Shiki. She was one of the first to rise up as a vampire, as well as one of the first to accept her fate and feed off the humans.

As a human she had cherry pink eyes and curly pink hair which she kept in two high pigtails and was never seen without them except for when she fell ill after having her blood sucked by Chizuru Kirishiki. Megumi was a thin and a relatively tall girl and was often seen wearing some sort of creative punky revealing outfits.

After she rose up as a vampiric corpse demon, her skin becomes very pale with her scalera now black with her irises going bright crimson red and glowing like all shiki. She starts being more malicious and starts to show her sociopathic side more. She also starts wearing more revealing clothes than she did as a human, probably as she no longer has her parents to restrict her activities.

When Megumi was human, she wanted to go leave Sotoba and go to a big city, where she wanted to be "scouted" and hang out in the various night clubs. She had two childhood friends named Kaori and Akira Tanaka, siblings whom she was annoyed, if not completely disgusted, by, and only by hesitation does she associate with them. Despite this setting, she seemed to have a soft spot for a large, European mansion nestled near the village, as well as for a local transfer student by the name of Natsuno Yuuki. She was always shy around Natsuno, and would try to talk with him whenever she saw him. She made sure anyone who comes near Natsuno gets executed within days. Her tiny crush was what led her to staring at him through his window at night, and to killing his best friend, Tooru, as well as attacking the Tanaka siblings' father, if only out of spite for the friendship Natsuno and Kaori shared.

When she that believed Natsuno was dead, she broke down crying. Masao, who hated Natsuno, came to the scene and attempted to belittle the dead boy. However, Megumi beat the vampire down, and screamed loudly at why Masao was alive when Natsuno was dead.

Both in the anime and the manga, it was Natsuno's image that allowed the villagers to find and kill Megumi when the Purge in Sotoba occurred.