Marilyn, formerly known as Maribayashi Torajirou (鞠林 虎次郎（まりばやし とらじろう)), is Tatsume Naoyuki's former assistant.
Originally, Marilyn was a male with shoulder length hair and had stubble on his face. After deciding that he wanted to become Marilyn Monroe, he now dresses like a woman and uses feminine pronouns.
Hacking: Marilyn is a skilled hacker and very good at information gathering. She can hack into Eden's tight secured database via a foreign server in order to access their files and extract information on their records and experiments, including that on the Seraphim.