Amane is Riku's step-sister and love interest that disappeared during an accident two years ago. Eight years before the story, her father died near the same time as Riku's mother. Later after that, Shizuru and her moved in with Daichi as they were both students of his. Eventually Shizuru got closer with him and became married. Eventually, the sisters took on Daichi's family name, Amami. (Source: World Embryo Wiki)
Jinki: Keniji (Inherited-Type) Youhei is a Jinki user and Rena's initial partner. He is depicted as an optimistic and cheerful person. Before the series began, he and Riku met during their stay at the hospital and became fast friends. At the start of the series, Youhei and Rena rescued Riku when he was first attacked by Kanshus. His Jinki resembles a short blade and was given to him by his teacher, to save him from Kanshu-inflicted wounds. In an ironically similar situation, Youhei ends up entrusting his own Jinki to a wounded Riku. At his own request, he is beheaded by his old friend before he could become a complete Kanshu. (Source: Wikipedia)
Hayato Tsukishiro is a 19-year-old Department Leader of the Annex Division. He looks out for the underaged Jinki users and is shown to care about them greatly, not even hesitating to disobey the Chairwoman's orders so as to protect his subordinates. He was Youhei's former partner before Rena, and has a Jinki as well. Due to sustaining injuries on his legs, he was forced to retire from the front lines and is now bound to a wheelchair while being tended to by Suzu. He is one of the people who discovered the identity of "The Source of Infection" by himself. (Source: World Embryo Wiki)
Age: 19 Species: Human Height: 179 cm Affiliation: Border Branch: Tamakoma Rank: S (Chapters 1-32), A (as of Chapter 33) Unit position: Attacker Side effect: Foresight Trigger type: Black (Chapter 1-32), White (as of Chapter 33) Yuuichi Jin is an A-Class (formerly S-Class) member and also a member of Tamakoma Branch. Yuuichi has brown hair and blue eyes. He wears a sunglasses on top of his head. He is always wearing his Border uniform, a blue jacket with a long black stripe going down the middle of each sleeve. He seems to enjoy Bonchiage, and is frequently seen eating them. Yuuichi has a laid back demeanor, even in situations when he is called out for being an antagonist, such as hiding and protecting a humanoid Neighbor. His favorite food being rice crackers, he always has a bag in his hand wherever he goes, offering some to everyone, even people he once fought with. Despite losing his mother to a Neighbor, he thinks that not all Neighbors are bad guys. In fact, he thinks humans and Neighbors should become friends, showing that both races could co-exist. Yuuichi always acts like a carefree person, but in order to protect his friends being threatened, he shows a much more serious side. Even then, he holds back when he has no desire of harming his foes, unless they force him to. (Source: World Trigger Wikia)
Gender: Female Blood type: AB Occupation: White King Legion: Oscillatory Universe (Leader) Avatar: White Cosmos Level: 9 Abilities: Judgement Blow Dislikes: Black Lotus White Cosmos is the White King and the leader of the White Legion, Oscillatory Universe. She is the first healer of the Accelerated World. At the same time, she is also one of the Originators. White Cosmos is also known as Transient Eternity. It has been said that she appears to be kind, but in actuality, she is very manipulative in nature. This manipulative personality is seen in an episode where she set up a meeting with the Six Kings of Pure Color to have Red Rider killed by Black Lotus, as well as what she had done to Kuroyukihime at past according to her memory. In an attempt to get the Seven Roses, a special gun created by Red Rider, White Cosmos manipulated her Child, Black Lotus, to kill him. She fabricated a reason that Red Rider plans to force the maintenance of the Peace Treaty by giving each a gun. This gun would decimate any attacking legion. After Nega Nebulus disbanded, Kuroyukihime found the Seven Roses in her inventory. She tried to fire it however it would not. She realized this gun was meant as a symbol of peace and friendship. Red Rider created it with the belief that their friendship would continue. Kuroyukihime confronted her sister. She demanded White Cosmos to duel her. However, White Cosmos replied that Kuroyukihime could never beat her. Realizing this, Kuroyukihime took out a boxcutter and wounded White Cosmos. It was a small wound, however White Cosmos made it larger. This resulted in Kuroyukihime being exiled from her family. White Cosmos also participated in the torture of Saffron Blossom, alongside Black Vise and Argon Array. She also witnessed the birth of Chrome Disaster. Her reasons for joining is currently unknown. In Volume 14, it is confirmed that she is, in fact, the president of the Acceleration Research Society. As a white avatar, she does not have attack ability. However, she is one of the few Burst Linkers that have the power to heal. She can also mask her presence in light. Specifically, she distorts light around her as camouflage. However, It was said that she used a skill to resurrect Saffron Blossom immediately and bypass the 1 hour time period where someone dies and penalized to a phantom state in UNF. The skill is later known as Resurrection of Compassion. It is later revealed that she is the Parent and real life sister of Kuroyukihime.
A "free and reckless and unbearably human" person. The recollection of his persona and influence upon the lives of Ryuu and Ikki make up the main plot focus of Endless World.