Mayumi Shinjoh

Mayumi Shinjoh (シンジョウ・マユミShinjō Mayumi) is a character in Ultraman Tiga. She is Tetsuo Shinjoh's younger sister. She is 19 years old at the start of the series. She was portrayed by Kei Ishibashi.

Ultraman Tiga
She works as a nurse in TPC. While in a flight returned to Japan, her boyfriend Takuma Aoki is killed by Gazort II in 15th episode. Takuma's soul returns to help Daigo and Shinjoh distract Gazort II in order to give them time enough to hide away from the monster. Meanwhile, Daigo transforms to Ultraman Tiga to fight and destroyed Gazort II. In the end, his soul gives Mayumi the necklace with her's picture, which Takuma hold in his hands even the death is nearby, and tells Mayumi he always love her before departing to afterlife. She joined the organization with the help of her older brother, and she sometimes has great sibling-type arguments with him.

Ultraman Dyna
In Ultraman Dyna, she was promoted to the rank of Head Nurse of the TPC.