Yosuga Mitsuzaki

Yosuga Mitsuzaki (密崎 ヨスガ, Mitsuzaki Yosuga) was a Deadman previously imprisoned in Deadman Wonderland.

She cooperated in the mission to return to Deadman Wonderland once more. Toto Sakigami refers to her as his older sister in the place of his original sister he lost during the earthquake, and she returns to Deadman Wonderland to protect him from harm.

Background
Yosuga was apparently a foster child before she was arrested shortly after the Great Tokyo Earthquake, though the reason for this is unknown. She insists that she was framed for the crime, but whether or not this is true is unclear.

When she was in the G Ward, she was often being bullied by other Deadmen. One time, Toto passes by her, carrying trophies he won from the Carnival Corpse. She glances at him and he shows no emotion, then he suddenly attacks, killing the bullying Deadmen and takes Yosuga to his room. Yosuga felt depressed, saying there was no reason for her to live, but then he presents to her a plastic gun, which he says she can kill him with and he will rip her to shreds, and that the gun will be her reason for living. Then they end up laughing and play with the plastic gun afterward.

Appearance
Yosuga is a young, pretty girl. She keeps her hair in two ponytails and has her hair bound by a black and white striped band. Sticking out of the band, at the front are bangs with longer ones at either side of her face. Her eyes are dark and big and she has a small cut or scar on her right cheek. She wears normal clothes, a small dress with a black logo imprinted, black sleeves with stripes and wires at the neck opening. She wears black leggings and black, leather shoes. While she was living in G Block, she wore mostly the same type of clothing, but with black and white striped stockings under jean shorts.

The cover of Volume 12, being the first canon depiction of her in color, revealed that she has pink hair and copper-colored eyes. She is also paler than Toto when compared side-by-side.

Personality
Yosuga is a calm and reserved individual. Yosuga originally felt as though she had lost everything and she desperately wanted to die. After meeting and befriending Toto Sakigami, Yosuga's outlook on her life changed. Yosuga is unsure of most things regarding herself as when speaking about herself, she usually ends the sentences in "maybe". Yosuga sees herself as being similar to Ganta Igarashi as they both had similar reasons for going back to Deadman Wonderland. Yosuga's reason being, she was unsure of whether or not she loved Toto Sakigami. She fears not being able to understand her love. After losing Toto to Hagire Rinichirō, Yosuga fell into another depression.

Return to Deadman Wonderland Arc
Yosuga is first seen when the Deadmen were about to board the Walfisch. She says that they can't defeat Toto with mere numbers, and Idaki Hitara asks if she is an acquaintance of Hagire Rinichirō. Yosuga replies that she doesn't know him and that she "maybe" knows Toto.

She later accompanies Ganta and Senji to search for a Chorus Block. As she was lagging behind, Ganta asks if she's okay and asks her name. Yosuga tells him her name and says that she's not physically strong, but "maybe" mentally. Ganta tells her she didn't have to come to Deadman Wonderland, but Yosuga says that she's the same as him. She is also looking for someone she loves (Toto). She goes on by saying that feeling fear is the same as not understanding. This she applies to love: "Because not being able to understand the one you love, is the worst fear of all." Yosuga asks if Ganta is going to kill Shiro because he doesn't understand Shiro. Ganta doesn't answer her.

When they found a Chorus Block, Ganta and Senji were working on it while Yosuga was above them, resting. While she was waiting, Hagire comes up to her and recognizes her as Toto's big sister. Yosuga asks what he has done with Toto and Hagire comments on how she has grown since the last time he's seen her. He then says that Toto isn't here anymore. Yosuga notices that Toto's habit of clapping hands is still present and asks Hagire about it. He tells her that he didn't go as far as dealing with Toto's mannerisms. Yosuga doesn't understand and Hagire attacks her, to get her out of the way, because he had to get to Ganta and Senji.

After Toto took Ganta and Senji was defeated, she asks Senji if he's alright, to which he replies that he is a bit dead. She pursues him to return to the ship, but Senji tells her to go on ahead, that he will carry the Chorus Block back after he has rested a while. While on her way back, Yosuga thinks back about Toto.

Senji and Ganta battle Hagire and almost kill him. After being taken to a room to be treated by Game Fowl, she runs away, taking along with her many first aid supplies.

Later, she is seen taking care of Hagire, to which Hagire questions her actions to which she replies that she is still his big sister.

Later, Toto finds Ganta and the other Deadmen in the Mother Goose System. He attacks them so he can take control of the Wretched Egg. Yosuga appears and protects Toto from several attacks from the Deadmen. Eventually, Toto is almost dead from viciously fighting the Deadmen and nearly using up all his blood. Yosuga then begs Rinichiro to give back the real "Toto" and then he impales Yosuga through the head with his branch of sin. After killing Yosuga, Toto gets hit by Ganta's branch of sin and dies.

Before his death, he thinks about Yosuga and then realizes that she was his point for living. It is unclear if both minds of Toto and Rinichiro intersected or if he truly cared about Yosuga at one point or was just delusional.

Abilities
Branch of Sin: Mitsuzaki is a Deadman, meaning she has the ability to freely control her blood outside of her body.

Branch of Sin: Unnamed Branch: Her personalized Branch of Sin is a shield. Mitsuzaki was unable to control it very well. Despite this, she managed to win at least one Carnival Corpse, after which she commented that her Branch of Sin would not let her die. By Haggard Absurd, Mitsuzaki had apparently learned to control her Branch of Sin perfectly and used it to protect Hagire Rinichirō to great effect, blocking four separate Branches of Sin at the same time. Her shield is of a round dome-like shape and requires two hands to form.

Hagire (in Toto Sakigami's body) used this Branch of Sin offensively at one point. He used it as a sort of battering ram to slam into Ganta Igarashi and send him flying.

Trivia

 * The cover of Volume 12 was the first ever canon depiction of her in color. The outfit she appears in on the cover was one she was never seen in before in the manga and is far more revealing than her usual clothes.
 * She tends to refer to herself in the third person, much like Shiro does. Interestingly, Yosuga also wanted to be killed by the person she loves.
 * Although Toto refers to her as an older sister, Yosuga has mentioned that she is the youngest of the two.

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Yosuga Mitsuzaki