Rephrase this paragraph.
Kaiyochi is a young man of average height with medium indigo-colored hair and dark brown eyes. He wears modified version of the standard Demon Slayer uniform, with loose hakama pants. Over the jacket he wears a dark blue haori ending with a light red hue at the bottom. His Nichirin Sword is colored indigo and dark red, the same as its sheath, which is fastened under Kaiyochi's belt. He wears black tabi socks on his feet with blue zōri over them.
Kaiyochi, who stands at an average height, has dark brown eyes and medium indigo hair. He sports a modified Demon Slayer outfit that includes loose hakama pants and a dark blue haori, which ends in a light red shade at the bottom. His Nichirin Sword and its sheath are both indigo and dark red, secured under his belt. He completes his ensemble with black tabi socks and blue zōri over them.
According to Nomura in Director's Secret Report XIII, it is implied that the differing colors of Kingdom Hearts is due to the nature of its assemblage. The Kingdom Hearts made by Organization XIII was assembled from the "hearts of men," meaning the hearts of people, turned into Heartless, were compiled into it. In Kingdom Hearts Birth by Sleep, the χ-blade unlocked Kingdom Hearts from "the hearts of worlds," meaning the hearts of entire worlds were assembled for its creation.
Nomura suggests in Director's Secret Report XIII that the varying colors of Kingdom Hearts may be a result of its composition. The Kingdom Hearts formed by Organization XIII was made up of the "hearts of men" - the hearts of people that had transformed into Heartless. On the other hand, in Kingdom Hearts Birth by Sleep, the χ-blade unlocked Kingdom Hearts from "the hearts of worlds," referring to the hearts of whole worlds that were used to create it.
Reword this.
As stated, Kaiyochi is fiercely dedicated to his duties as a Demon Slayer, but some small amount of compassion for demons. Despite this, he has somewhat of an easygoing and carefree demeanor. He doesn't take fighting average weaker demons too seriously, but when battling a stronger demon, such as a member to the Twelve Kizuki, he shifts to a serious and firm persona. He tends to get slightly envious seeing a full family, considering what happened to his, but keeps this emotion in check. He is particularly fond of reading different books, enjoying all genres.
Kaiyochi is deeply committed to his role as a Demon Slayer, although he retains a slight trace of empathy for the demons he encounters. Nonetheless, he approaches his work with a relaxed and carefree attitude, not taking on weaker foes too seriously. However, when he faces a powerful demon such as one of the Twelve Kizuki, he becomes more focused and determined. Although he feels envious upon witnessing intact families, given his own experience, he suppresses this sentiment. Additionally, he takes pleasure in reading books of various genres.
While fighting Yotsuyahi, the Upper Rank Three, albeit Yotsuyahi escaped, Kaiyochi unlocked his Demon Slayer Mark, resembling a jet-black sun with yellow and purple star-like dots on it, with the mark itself being located on the left side of his forehead.
During his encounter with Yotsuyahi, the Upper Rank Three, Kaiyochi unlocked his Demon Slayer Mark. The mark, which he acquired despite Yotsuyahi's escape, features a jet-black sun with yellow and purple star-like dots, located on the left side of his forehead.
Reword this.
Nearly reaching the Hashira rank after having slain 41 demons and being rank Kinoe, Kaiyochi is an exceptionally powerful Demon Slayer. While being ambushed by a trio of demons, he effortlessly beheaded all of them with only two strikes from his Nichirin Sword. Additionally, he easily slashed through a large tree branch that was launched at him. He then dodged a flurry of punches one demon attempted to attack him with. When he battled the Upper Rank Three, Yotsuyahi, he swiftly managed to slice the demon's arms and legs off, astonishing the Twelve Kizuki demon.