Romantic Killer

Height
4'11 (149cm)
Eye color
purple
Appearance
Saki is an extremely beautiful fair-skinned teenager of slim build and is 149 centimeters tall with shoulder-length dark-purple hair that is neatly parted to the right side (she used to have chin-length hair that she ties in two small low pigtails back in middle school) and irises of the same color.She is typically seen wearing her school uniform consisting of an off-white collared shirt with the top button left unfastened, a pleated dark blue skirt with pale stripes, long dark blue socks and black and white sneakers
Personality
Like Tsukasa Kazuki, Saki is very popular and has had to deal with unwanted advances from those around her. She treasures her bond with Anzu Hoshino, which started in middle school when a girl bumped into Saki on purpose. Because of Anzu, Saki has become more confident.

Saki and her older brother live together with their single dad.

Appearance
Hijiri is a bishōnen young boy who is considered to be handsome and 'prince-like' by everyone with blond hair that has bangs hanging on the right side and golden eyes. Hijiri tends to sparkle whenever he flaunts his appearance.Because of his good looks and aura, he is very popular among males(not in romantic way)and females as seen inEvery female student stared in awe upon arriving at school and he even has his own fan club, according to one of Anzu Hoshino's friends.
Personality
Hijiri is an arrogant boy who has a hot and cold personality.Knowing how much Hijiri was used to getting what he wanted, his father had transferred him from his former private school so that he could learn to fend for himself.
Hijiri's tendency to sparkle is most commonly referred to as Bishie Sparkle, which signifies that a character is handsome or at least thinks of themselves as handsome.

is a supporting character in Romantic Killer series. He is the "childhood friend" that Riri set up for Anzu Hoshino. He is the second love interest for Anzu Hoshino.
Appearance
In the past, Junta was an overweight boy who had messy hair covering his eyes.In the present, Junta has grown to be very tall and muscular with tan skin, with short black hair, where he is known as the "rookie baseball star" at his school
Personality
Despite being someone with a calm and kind face and personality, he showed that he wouldn't mind getting in trouble in his sport for defending his friends, especially Anzu.
It is later revealed that Junta had picked up baseball and changed himself after overhearing Anzu Hoshino say that she would like to date an "athletic guy who can beat the boss."
Junta is also scared of cockroaches

Appearance
Riri takes the form of a small, yellow creature. Riri is round in shape with small round ears and slim twig-like arms and legs. Riri has small round black eyes, a nose resembling that of a dog's, and a slim flat mouth. Riri wears a bright purple wizard's hat decorated with light colored stars, a wizard cloak of the same color with a purple pink star-decorated undercoat and carries around a flimsy wand resembling a flower with a star at the tip.Riri's two human forms
Through magic, Riri can take the form of a fair-skinned male or female with blonde hair and cyan-blue eyes that has a hint of purple on top (from up close):

As Riri Fushigi (female), she has chin-length hair that is tied in two small buns on either side while the rest of her hair is left down with bangs hanging over her eyebrows.
As Rio Fushigi (male), his hair is very short with bangs swept to the left side.
Personality
Whether Riri is in their human form or in their wizard-like creature form, they are still extremely hyper and talkative. Riri is very interested in anything love-like which is shown in Episode 8 when Riri asks Anzu to go on a date so they can learn more, as well as analyzing the movie they decided to watch.

Riri is shown being very cutesy, but sometimes straight up embarrassing. Riri’s sole purpose is to help non-heroine like people find love!Magic
As a wizard, Riri can do many spells to help set up romantic scenarios for Anzu Hoshino.

Probability Manipulation / Reality Manipulation

Riri was able to manipulate events such as the weather, the timeline meetings when others reunite, and take away her three great desires video games, chocolate and Momohiki

Riri does so by having her parents confiscate her video games, have every store she goes to be out of chocolate, and have her parents go to America and have Momohiki brought with them. If someone tries to give Anzu chocolate shown Riri stops her from eating

a supporting character in the Romantic Killer series. He is Anzu Hoshino's first romance candidate who is popular among women due to his good looks but tends to avoid them, rejecting any romantic proposals outright
Appearance
Tsukasa is a handsome fair-skinned young man of tall height and slender build with neatly cropped orange hair and orange eyes.
Personality
Tsukasa presents himself as a cold and reserved boy.

It is later revealed that before transferring schools he was a warm and caring person who could "befriend anyone", indicating that his cold appearance is a façade. His personality changed drastically after being repeatedly stalked by an older woman he had helped once, to the point where he was forced to transfer from his house and school to be away from her and his strict father who blamed him for the situation which gave him PTSD and a fear of women until Anzu Hoshino came into his life.

Age
35
Height
5'10" (177cm)
Appearance
It could be said that he is of a slightly taller than average stature. A tanned skin, neatly combed back black hair, straight brows furrowed. He has something of a beard in the shape of a padlock.
Personality
He is someone serious and upright in his work. Also someone polite and respectful when dealing to others, especially Hijiri Koganei's friends.

Tsuchiya gets emotional when Hijiri Koganei expresses gratitude to him.
Tsuchiya can appear by Hijiri Koganei's side at the snap of a finger.
His driver's license has been revoked several times.
He has the ability for a hand-to-hand fight, immobilizing his opponent, something already seen
He is Hijiri Koganei's chauffeur who cares for him (Not a love interest)