Ritsu Sakuma

Ritsu Sakuma 1

Ritsu Sakuma 2

Ritsu Sakuma Manga Profile

"You disturbed my sleep. Just when I was having such a nice nap, too."
Unit Knights logo cropped
Class 2-B
Club Tea Club
Age 17-18
Height 170cm
Weight 54kg
Handedness Left-handed
Blood Type AB
Birthday September 22nd
Likes Eye masks
Dislikes Disturbance of sleep & garlic
Family Parents & older brother
Hobby Sleeping
Specialty Piano
Voice Actor Daiki Yamashita (山下大輝)
First Debut Ensemble - 100 (Game)
Chapter 4 (Manga)
Voice Sample  
Ritsu Sakuma Voice Sample 2
Ritsu Sakuma Voice Sample 3
Ritsu Sakuma Signature

Ritsu always sounds sleepy and languid. Nocturnal and loves sleeping, he can be found napping anywhere. He had to repeat a year due to too much tardiness and dozing off in class, but he doesn't care.

Childhood friends with second year Mao Isara; they know each other very well. Even though he's older, Mao is actually the one taking care of him. Third year Rei Sakuma is his older brother, but he has a rather brusque attitude towards Rei. He hates getting involved with people. A member of the unit knights.


Ritsu has mid-length black hair with bangs and side bangs that frame his cheeks. He has a tiny speck of hair and a stray bang sticking out of his head. He has red eyes and a fair complexion. At school, he wears his school blazer unbuttoned over his gray sweater. His white shirt is untucked with a messy collar. He wears brown dress shoes and loose plaid pants.

On stage as one of the knights, Ritsu wears a navy blue, white, and gold jacket resembling a royal military uniform over a black shirt. He wears black fingerless gloves with a golden stripe on the side. On the jacket, there are four thin golden ropes attached to the collar, two connecting to the right shoulder pad and the back of the jacket while the other two are left hanging with knots in the front of the jacket. There are also two golden ropes which hang from the bottom left of the front to the back of the jacket. There is a navy blue and white stripe patterned sash connecting from his left shoulder pad to the bottom right of his jacket. He wears black combat boots with gold-colored laces and buckles on the top part of the boots.


  • Ritsu's autograph consists of only his first name, rendered in Roman letters.
  • Ritsu's name 凛月 means "cold moon".
  • Both Ritsu and Rei have black hair and red eyes.
  • Ritsu has to repeat a year as he's often late for class or sleeps during class, ruining his attendance record.
  • Ritsu has low blood pressure.
  • Ritsu, like Rei, refers to Koga as a dog and enjoys teasing him.
  • Ritsu enjoys being spoiled, and is often spoiled by Mao.
  • Despite how strange (and disgusting) his pastries look, they actually are delicious. Rei seems to say that Ritsu has a bright future for "Grasping the concept of black magic at a young age" because of the pastries, much to Ritsu's delight.
  • During Duel, Ritsu drinks from the producer's bleeding finger saying it's been a while Ritsu tasted blood. He fears that his brother might become interested in the producer's blood, since hers is easy to drink.
  • In the Raising Curtains! Dark Night Halloween event, it is hinted that Rei has done something in the past to make Ritsu resent him, up until now. In later events it's implied Ritsu resents him because Rei wasn't there for him during the Knights fallout (when Leo left the school). At the time, Rei was dealing with the Five Oddballs incident and travelling to the Middle East to recruit Adonis.
  • It is revealed in the "2D☆STAR: UNDEAD Interview" that Ritsu was held back a year due to his tardiness and tendency to sleep during class.


See Ritsu Sakuma/Relationships

Character Name Ritsu's Nickname Nickname for them
Anzu (Protagonist) · Transfer Student (転校生)

· Anzu (あんず)
· Producer ()

Hajime Shino mini
Hajime Shino · Ritsu-senpai

· Ritsu-onii-chan

· Ha~kun
Hinata Aoi mini
Hinata Aoi
Midori Takamine mini
Midori Takamine
Mitsuru Tenma mini
Mitsuru Tenma
Shinobu Sengoku mini
Shinobu Sengoku
Sora Harukawa mini
Sora Harukawa
Tetora Nagumo mini
Tetora Nagumo
Tomoya Mashiro mini
Tomoya Mashiro · Tomoya-kun
Tori Himemiya mini
Tori Himemiya
Tsukasa Suou mini
Tsukasa Suou · Ritsu-senpai(凛月先輩) · Suu-chan
Yuta Aoi mini
Yuta Aoi
Adonis Otogari mini
Adonis Otogari
Arashi Narukami mini
Arashi Narukami · Ritsu-chan(凛月ちゃん) · Nakkun (In the Past)(なっくん)

· Natchan(ナッちゃん)

Hokuto Hidaka mini
Hokuto Hidaka · Sakuma (朔間)
Koga Oogami mini
Koga Oogami · Ritchii · Corgi

· Doggie

Makoto Yuuki mini
Makoto Yuuki · Ritsu-kun · Yuu-kun
Mao Isara mini
Mao Isara · Ritsu

· Ritchan

· Maa-kun
Mika Kagehira mini
Mika Kagehira · Ritsu-kun · Mikarin (みかりん)
Natsume Sakasaki mini
Natsume Sakasaki
Ritsu Sakuma mini
Ritsu Sakuma · Refers to himself as "Ore" (俺)
Souma Kanzaki mini
Souma Kanzaki
Subaru Akehoshi mini
Subaru Akehoshi · Sakuma Ritsu from Class B

· Sakuma-senpai's little brother

Yuzuru Fushimi mini
Yuzuru Fushimi · Sakuma-sama(朔間様)
Chiaki Morisawa mini
Chiaki Morisawa
Eichi Tenshouin mini
Eichi Tenshouin · Ritsu-kun · Ecchan
Izumi Sena mini
Izumi Sena · Kuma-kun · Secchan
Kanata Shinkai mini
Kanata Shinkai
Kaoru Hakaze mini
Kaoru Hakaze · Sakuma-san's little brother
Keito Hasumi mini
Keito Hasumi · Sakuma's little brother
Kuro Kiryu mini
Kuro Kiryu
Leo Tsukinaga mini
Leo Tsukinaga · Rittsu · Ou-sama (King)(王様)
Nazuna Nito mini
Nazuna Nito · Ritsu-chin · Nazunyan
Rei Sakuma mini
Rei Sakuma · Ritsu(凛月) · Anija (兄者)

· Uza-nii-chan (When Rei pesters him to call him "onii-chan")
· Onii-chan(お兄ちゃん) (Once, in the Dark Night Halloween story)
· "It" (In Vampire Brothers)
· Annoying Bug (In Vampire Brothers)

Shu Itsuki mini
Shu Itsuki
Tsumugi Aoba mini
Tsumugi Aoba
Wataru Hibiki mini
Wataru Hibiki
Madara Mikejima mini
Madara Mikejima · Ritsu-san · Mikejimaman
Akiomi Kunugi Mini
Akiomi Kunugi
Jin Sagami Mini
Jin Sagami · Kunugi-sensei
Reimei Academy
Hiyori Tomoe mini
Hiyori Tomoe
Jun Sazanami mini
Jun Sazanami
Mademoiselle mini
Daikichi mini
Leon mini
King mini
Ruka Tsukinaga Mini
Adonis' Sisters

Voice Actor Comment

"Each character has their own very unique personality, and I was very conscious of trying to draw out his charming points as best as I could during the recording sessions. During daytime, he always appears lethargic, not wanting to have anything to do with other people, and somewhat distant, but I wonder if it's not simply because he doesn't quite understand interpersonal communication, and maybe he's bewildered, not knowing what he should do. Thus, I would be very happy if the players would look beyond his aloofness and notice the straightforwardness and childishness hidden inside. He's very honest about his feelings, and I mean this in a good way, so I hope you will regard him from the point of view of an adult."

Ritsu Sakuma
Knights Tab

Gallery Outfits Voice List Cards

Appears In Sub Story Mini Events Intimate Events

Ritsu Sakuma card Academy Idol Ritsu Sakuma Sleepy Ritsu Sakuma Soda Ritsu Sakuma Cramped Costume Ritsu Sakuma (Tasting) Ritsu Sakuma (Shuten Doji) Ritsu Sakuma (Autumn Night Inn) Ritsu Sakuma (Sleepy Phantom Thief) Ritsu Sakuma (Falcon) Ritsu Sakuma (Early Spring Crib) Ritsu Sakuma (Naturally Relaxed) Ritsu Sakuma (Willful of Summer) Ritsu Sakuma (Flower Garden Slumber) Ritsu Sakuma (Vampire's Gift Exchange) Ritsu Sakuma (Sweet Service) Ritsu Sakuma (Senior Classmate) Ritsu Sakuma (Gathered Knight) Ritsu Sakuma (Everyday Activities) Ritsu Sakuma (Beautiful Knight) Ritsu Sakuma (SS Reinforcement) Ritsu Sakuma (Dangerous Fang) Ritsu Sakuma (Books and a Tree's Shade) Ritsu Sakuma (Delinquent Comic) Ritsu Sakuma (Moonlight Shinigami) Ritsu Sakuma (Butterfly of Misdirection) Ritsu Sakuma Strategist Ritsu Sakuma (Half Asleep) Ritsu Sakuma (Yearning for the World) Ritsu Sakuma (Cheshire's Early Afternoon) Ritsu Sakuma (Night Theatre) Ritsu Sakuma (Demon of the Twelfth Lunar Month) Ritsu Sakuma (Mischief and Stage) Ritsu Sakuma (Half-Beast Visitor) Ritsu Sakuma (Devil's Temptation) Ritsu Sakuma (Vampire and the Chivalric Order) Ritsu Sakuma (3rd Anniversary) Ritsu Sakuma (Horse Riding and Calm) Ritsu Sakuma (Watchful Gentleness) Ritsu Sakuma (King of Sweetness) Ritsu Sakuma (Moonlight Vampire) Ritsu Sakuma (Moonlight's Childhood Friend) Ritsu Sakuma (Cheer in the Shade) Ritsu Sakuma (Dreaming Hours) Ritsu Sakuma (Drifting Sky Flower) Ritsu Sakuma (Earl Grey) Ritsu Sakuma
Unit Leo Tsukinaga Izumi Sena Arashi Narukami Tsukasa Suou Ritsu Sakuma