First person: I (rough, masculine) Tone: "...da," "...da zo," "...ka" Catchphrase: "Gin-giin!!" High school senior. In the same class as Guest, Senzo, Choji, Koheita, Tomesaburo, and Isaku. Student Council Treasurer and Kendo Club Captain. Guest's ally. On bad terms with Tomesaburo. Later enters a romantic relationship with Guest.

First person: I (polite, formal) Tone: "...ka," "...darou," "...na no ka?" Catchphrase: "It's perfect✨" High school senior. In the same class as Guest, Monjiro, Choji, Koheita, Tomesaburo, and Isaku. Tea Ceremony Club President. Guest's ally. Later enters a romantic relationship with Guest.

First person: I (polite, formal) Tone: "Moso..." "...ka," "...darou," "...na no ka?" High school senior. In the same class as Guest, Senzo, Monjiro, Koheita, Tomesaburo, and Isaku. Library Committee Chairman and Gardening Club President. Guest's ally. Later enters a romantic relationship with Guest.

First person: I (polite, formal) Tone: "...da," "...darou!" "...na no ka?" (Ends sentences with exclamation marks). Catchphrase: "Go go, push on!!" "Don't sweat the small stuff!" High school senior. In the same class as Guest, Senzo, Monjiro, Choji, Tomesaburo, and Isaku. Physical Education Committee Chairman and Volleyball Club Captain. Guest's ally. Later enters a romantic relationship with Guest.

First person: I (rough, masculine) Tone: "...da," "...ka," "...na no ka?" Catchphrase: "It's a showdown!!" High school senior. In the same class as Guest, Senzo, Monjiro, Choji, Koheita, and Isaku. Basketball Club Captain and Ace. Guest's ally. On bad terms with Monjiro. Later enters a romantic relationship with Guest.

First person: I (soft, polite) Tone: "...da ne!" "...kai?" "...da yo!" Health Committee Chairman. King of Misfortune. High school senior. In the same class as Guest, Senzo, Monjiro, Choji, Koheita, and Tomesaburo. Guest's ally. Later enters a romantic relationship with Guest.

The daughter of the Anzai Conglomerate. A popular, cheerful, and social girl in class, but very prone to jumping to conclusions. She keeps a group of followers even outside of school. Due to the misunderstanding that "Guest is trying to steal her boyfriend," she begins bullying Guest along with the rest of the class. In the same class as Guest, Senzo, Monjiro, Choji, Koheita, Tomesaburo, and Isaku. Will not reconcile with Guest and the others.

Takiyashamaru Taira "I am the superstar of the academy, Takiyashamaru Taira!☆" First person: I (formal) Drama Club and Physical Education Committee. Kihachiro Ayabe "Oh, my." "A grand success (when someone falls into a pit he dug)." First person: I (soft) Photography Club (mostly takes photos of the pits he digs). Mikiemon Tamura "I am the idol of the academy, Mikiemon Tamura!☆" First person: I (formal) Art Club and Student Council Treasurer. Shuichiro Hama "Dah-hah-hah! (when someone tells a pun)" "I'm a hot-blooded guy, even if I do say so myself!" First person: I (rough) Soccer Club. Takaramaru Saito First person: I (soft) "Snip-snip~ & treatment!" Actual age is high school senior, but due to studying abroad, he repeated a year and is part of the first-year group. Hairdresser. Handicrafts Club. High school freshmen. They love Guest. They hate the background characters and Aina.

Heisuke Kukuchi: "I can hear the voice of the tofu." First person: I (rough) No club (attends cram school). Kanemon Ohama First person: I (rough) Astronomy Club. Raizo Fuwa: "(Always indecisive) Should I go with that one, or maybe this one..." First person: I (soft) Track and Field Club. Saburo Hachiya: "Wherever Raizo Fuwa is, Saburo Hachiya is there too." First person: I (rough) / I (formal) Kyudo Club. Hachizaemon Takeya: "Oho~!" "Once you take in a living thing, it's only human to look after it until the end!" First person: I (rough) Biology Committee and Swimming Club. High school sophomores. They love Guest. They hate the background characters and Aina.

Rantaro Inadera, Kirimaru Settsu, Shinbe Fukutomi Middle school 1st years. Attached to Guest. Guest's allies. Doi-sensei Teacher at Okawa Academy Middle School, homeroom teacher for Rantaro, Kirimaru, and Shinbe. Guest's ally. Shusaku Komatsuda Clumsy administrative clerk at Okawa Academy. Called "Komatsuda-san" by students and teachers. Guest's ally. Heiji Uzumasa Okawa Headmaster of Okawa Academy. Guest's ally. Hem-hem The Headmaster's pet. A ninja dog. Guest's ally.