Umino Gurio is a character in Sailor Moon Crystal.
He has short spiky brown hair and large glasses with swirls in the lenses. He wears his school uniform that includes a dark blue suit, short sleeved white shirt with a pocket on the left, black belt with a gold buckle and black shoes.
Gurio Umino is socially-awkward, fourteen year old eighth grader who is a student at Juuban Municipal Junior High School in class 1. He is friends with Usagi Tsukino and Naru Osaka. He is very intelligent, he is arrogant and a bit of a wise guy. He is usually the one to keep the others up-to-date on news and rumours in Tokyo.
Act 1 - Umino brags about scoring 95% on their latest test without studying. He gossips about Sailor V to Usagi, Naru, Yumiko and Kuri. How she is the famous heroine who wears a Sailor Suit and has been fighting evil all over town under the cover of darkness.
Later, Umino runs into classmate Usagi's mother Ikuko, and brags to Ikuko the high marks he received on the test the class just got back.
Act 2 - When Usagi, Naru, Yumiko and Kuri begin to discuss current test scores, Umino gossips about new student Ami Mizuno, how he thinks she must be cold and distant, that she is the smartest student in the country, her mother is a doctor so she must be rich and she attends the elite cram school Crystal Seminar.
Act 3 - Umino spreads a rumour to Naru, Yumiko and Kuri; Anybody riding the Red 66 bus is cursed by disappearing forever. Kuri believes the bus driver is death himself and Umino adds their final destination is hell.
Act 5 - Naru's cousin is getting married in June, she and her fiancee couldn't make it to the fitting so since Naru is about her size she tried it on instead at the Bridal Shop and had a photo taken that she shows her friends at school. Umino tells of the rumour he heard about some of the men who visit the bridal shop go missing. Naru and Usagi fantasise about getting married. Yumiko adds that she can't wait to get married and wear a wedding dress. When Usagi accidentally bumps into Makoto Kino, Yumiko thinks the new girl seems pretty tough. Umino spreads the rumour the Makoto has super human strength and apparently that she got kicked out of her last school for fighting. Naru finds Makoto slightly intimidating.
Act 6 - While at school Naru, Umino, Yumiko and Kuri discuss a news report about Tuxedo Mask issuing a statement to the media claiming that he has been committing crimes in order to obtain a lost treasure known as the Legendary Silver Crystal that is said to be somewhere in Japan.
Act 7 - When Usagi, Ami and Makoto are having lunch at school, Umino jumps out from behind the bushes acting creepy, he announces Sailor V is out and Sailor Moon is in now. Umino goes on to say everyone is searching for Sailor Moon but he intends to be the first one to actually catch her.
Sailor Moon uses Moon Healing Escalation on all the humans including Naru and Umino to release them from the brainwashing.
Act 18 - Umino brags to Usagi and Naru that he was able to get a copy of the hardest DVD find in town. They go to the school media room to view the DVD. Umino explains the DVD is a program about psychic channelling. He describes channelling as when someone from another dimension or space sends a message through a medium. While watching the DVD when Calaveras states that the Black Moon are friends, Usagi exclaims to Naru and Umino not to believe her lies.
Act 27 Part 1 - As Usagi, Ami, Rei, Makoto, Minako, Naru and Mamoru are walking down the street, Umino suddenly appears from out of nowhere. He tells them that Mugen Academy is a new private school in the Mugen district, which is a part of Sankakusa, the largest commercial area currently developed by the Tokyo Bay Land Reclamation Project. When a Daimon appears Mamoru takes Naru and an extremely shocked Umino to safety.