Reword this.

is the great-great-grandson of Tanjiro Kamado and Kanao Tsuyuri, and the older brother of Sumihiko Kamado. He is a teenage student currently going to the same school as his brother and Toko and Yoshiteru Agatsuma.

He is the elder brother of Sumihiko Kamado and the direct descendant of Tanjiro Kamado and Kanao Tsuyuri, being their great-great-grandson. This teenager is presently attending the same school as his brother along with Toko and Yoshiteru Agatsuma.

Although very rarely seen interacting, Yoshiteru and Kanata appear to be on good terms as it's noted that they visited a diner together, and Yoshiteru is the younger brother of Toko. Yoshiteru seems to dislike when Kanata and Toko talk to each other in a flirtatious manner, but this is likely out of jealousy rather than protectiveness for his older sister.

While their interactions are infrequent, it is evident that Yoshiteru and Kanata have a harmonious relationship. There have been instances where they were spotted dining together, indicating a friendly bond. It is essential to note that Yoshiteru is Toko's younger brother. Yoshiteru appears to exhibit displeasure when Kanata engages in flirtatious conversations with Toko, which is likely driven by jealousy rather than a protective nature towards his older sister.

He is currently a teenage student attending the same school as his brother, Sumihiko Kamado, and fellow classmates Toko and Yoshiteru Agatsuma. Furthermore, he is the older brother of Sumihiko Kamado and is the great-great-grandson of Tanjiro Kamado and Kanao Tsuyuri.