A boy from the city of Daizaifu in Kyūshū, Hayato becomes one of Tatara's first allies. He is the successor to the sword of Suzaku, but specializes in the use of bow and arrows. Hayato is scatterbrained, but because he gets the others out of many dangerous situations, he becomes a sort of mascot figure for the Tatara Army.
One of the members in the expedition for Nanakimura village. He apparently has a quiet personality and rarely interacts with anyone besides Mitsumune. When younger, Hayato decided to protect Mitsumune from getting bullied in school. Ever since, he gets angry whenever Mitsumune is about to do something inappropriate. He was abused by his parents who lived in a posh residential area. They didn't fit in with the neighbours, so they tried to show off their 'ideal' son. If Hayato did anything his parents disliked, he would get abused and thrown into the attic, where his grandmother was left to die.
Yusuke is an electrician who once attended Tomoya's high school and lived as a rock musician. He is admired by Mei for his infrequent rock play. Tomoya first met Yusuke during a street light accident involving a person's car, and assists Yusuke in his work. Through Yusuke, he realizes the pain of working in society. Yusuke is engaged to Kouko, and is also one of the reasons why Fuko exists in the school. Clannad After-Story: He plays a more prominent role in After Story, giving Tomoya a job as an assistant electrician in his company, and sometimes gives him advice. Due to Tomoya's interest in him, Yusuke tells him of his past - how he became a rock musician, rose in fame, and ended due to his loss of his original motivation, along with stress and drugs. After being rehabilitated, no one wanted him anymore, except for Kouko, who had encouraged him to become a rock musician during his high school days. Throwing away his past, he now works as an electrician. Realizing that there are people who still love his music through Tomoya, Yusuke decides to create another music CD that sings his love for the city.
An immortal companion of Yuta. She was raised by a group of old women that kept her captive and incapacitated in a hut. They were really mermaids that sought to eat Mana once she reached her adolescence to regain their youth. She travels with Yuta since, and possesses a large sense of loyalty and feelings towards him, but due to her somewhat naive and spoiled nature, she doesn't seem to truly realize that her emotions towards him are possibly love or just simple affection.