If you're looking for manga similar to Tokyo Babylon 2021, you might like these titles.
Zion, a girl that is always taken advantage of by her friends because she is so shy and timid, is approached by two people who asks her strange questions about whether she believes in Confucianist moral doctrine and in the end she is bowing and performing sacrificial rites to ancestral gods. It’s shocking enough that the daughter of a pastor is possessed by a ghost, but what’s more shocking is that this ghost is a young oppa who sports a fashion that surpasses most of the outstanding looks of bachelors and rockers! From this day on, Zion’s life changes forever. From a shy and unsuspecting high school student, she turns into an exorcist.
"I received the gift of life the day I met you." Shikibi works at an antique store called Rakutadou. Because of her strong spiritual power, she has a predisposition to attract things that are not human. Sousuke, the owner of the antique store, also works as an exorcist. He was the one who previously saved her from her misfortune fate. Now, will he be able to continue protecting her from the evil that approaches her?
After playing Kokkuri-san, a game which enables this world and the spirit world to communicate, 16-year-old Miku is attacked by an evil spirit. Is it just a coincidence that ghosts then, start trying to kill her?...or is it not? Can her classmate, Kanyama Riyou, an exorcist from a Shinto Shrine be able to help save her life?
Rasetsu Hyuga works for an exorcist agency where she uses her special powers to banish evil spirits. There's a story behind the red flower mark on her chest though--it's a memento left by a powerful spirit who vowed to claim her on her 20th birthday. Unless Rasetsu can find true love by then, she is fated to become his... Yako Hoshino, a young man with spiritual powers of his own, comes to the agency seeking help with a possessed book. He's seen a lot of strange phenomena in his day, but the last thing he expects to see is Rasetsu bearing a striking resemblance to his old love Yurara!
In the peaceful period of the early Edo period, people lived in fear of Shadow Beasts that consumed the heart of the people. Exorcists and hunters use their abilities to rid of the beasts, and when a young exorcist named Hibana, puts herself in a reckless battle against the Shadow Beasts, she is rescued by lone Hunter, Tsugumi, causing the beginning of a romantic adventure.
It's the Heian Era in Ancient Japan, after numerous disasters and rebellions, The Emperor Suzaku believes Heaven has abandoned him and his advisors secretly consider ways to replace him, meanwhile, the sorcerers known as Onmyouji are dragged into a series of fights against demons summoned by mysterious curses. They will have to delve deep into conspiracies to discover the true nature of these cases.
One day, Hirazono Satsuki, while walking home from work, finds a girl in a garbage dump. He ends up taking her home and she introduces herself as Riene, an exorcist. She is on a quest to find somebody who took care of her before, a girl named Satsuki. Could he be the same Satsuki?
Kayako is an enthusiastic exorcist from an isolated island who’s been newly-appointed to the big city. She has two familiar spirits (shikigami) who help her cleanse impure spirits: Kagari and Kohaku. They are mighty spirits who have to take an alternate form among humans: Kagari, who takes a form of a pirate bird and Kohaku, who takes a form of a silver fox. She’s been determined to continue cleansing spirits as her dead brother has done in the past. But what happens when her faith is shaken and she learns that she doesn’t want to save evil spirits anymore?
Demons have been attracted to Anne her entire life. At age seventeen, she learns that a demon lord wants to marry her–and literally drag her into hell! Luckily, she's got a talented young exorcist to keep her safe from the powerful fiend. There's just one issue: the brash exorcist is in love with her, too.