Parasyte/寄生獣 Crossovers
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Trial by Fire by Butcher-Bird190 reviews
Kongou is pitted against against a foe far deadlier than any mere abyssal. Unarmed, she'll have to use her wits to carry her out of this situation alive. KC x Parasyte/Marvel It's basically just a large fight scene right now, but I might add some extra chapters detailing the aftermath.
Crossover - Kantai Collection & Parasyte/寄生獣 - Rated: T - English - Chapters: 3 - Words: 5,290 - Reviews: 4 - Favs: 4 - Follows: 1 - Updated: 8/24 - Published: 8/19
Stronger by GhostPikachu reviews
After Nobuko's death, Izumi Kazuyuki just wants to make the pain stop. He decides to move himself and his son, Shinichi, away from his memory-filled house and to an unfamiliar part of Tokyo: the neighborhood outside True Cross Town. Shinichi finds out about cram school and decides to go as a defense against Parasites. Can he keep his secret from the exorcists in training?
Crossover - Parasyte/寄生獣 & Blue Exorcist/青の祓魔師 - Rated: T - English - Chapters: 13 - Words: 18,997 - Reviews: 17 - Favs: 27 - Follows: 41 - Updated: 7/24 - Published: 3/20
Experiment 7 Day 1 by GhostPikachu
When Zim comes to Earth, he doesn't land in some troubled town. No, he lands in Tokyo, Japan. Zim has a foolproof plan to enslave the human race and it involves WAFFLES! Wait, SCIENCE! AND EXPERIMENTS! Zim ends up creating something that will wipe the filthy pig worms out for him. However, he runs into some problems when his creations aren't exactly the loyal army he counted on...
Crossover - Invader Zim & Parasyte/寄生獣 - Rated: T - English - Chapters: 1 - Words: 1,076 - Published: 7/23
A Bridge Between Worlds by Gin-Ex-Machina reviews
Shinichi Izumi finally reaches the conclusion of his twisted, inhumane and bizarre journey, and has obtained his own definition of what it means to be human. When he and Satomi Murano depart to Tokyo's 20th ward, Nerima, to celebrate their 4th anniversary as a couple, a gluttonous ghoul will leave an unalterable gash in Shinichi's heart forever.. [Parasyte/Tokyo Ghoul Xover]
Crossover - Parasyte/寄生獣 & Tokyo Ghoul/東京喰種トーキョーグール - Rated: T - English - Supernatural/Tragedy - Chapters: 5 - Words: 29,683 - Reviews: 29 - Favs: 47 - Follows: 60 - Updated: 6/23 - Published: 1/19 - Shinichi I., Migi, Kaneki K./Haise S., Rize K.
Once More by Rigorin reviews
A quick crossover battle between Isaac Clarke of Dead Space and Mr. A of Parasyte, plus two other random characters having a one-way conversation at the end. It's not hard, but cookies for recognizing them, since everyone is just giving them out anyways.
Crossover - Dead Space & Parasyte/寄生獣 - Rated: T - English - Suspense/Horror - Chapters: 1 - Words: 1,340 - Reviews: 1 - Published: 5/17/2012 - Isaac C. - Complete