At first Tama was rather scared of Kaido at first (he has such an intimidating aura, after all) but she quickly found that he had a polite and kind side to him. And while Kaido looked down on her for being just a “Go-Home Club” member, he himself found a soft spot growing for her that he was unable to stop. The two bonded especially over their lunchtimes together, with Kaido’s beautiful lunches and Tama’s happily gluttonous appetite. They grew closer together as festival work continued on, until the end of the festival where Kaido confessed and the two have been dating ever since.

Kaido doesn't always talk that much in their conversations, but Tama is able to pick up the signs on how he's feeling or thinking based on his reactions. Tama enjoys teasing Kaido about his shyness and is more outwardly affectionate, which easily embarrasses Kaido, though secretly it makes him quite happy. Tama lets Kaido call her by her first name, but it isn't until high school before Kaido allows Tama to call him Kaoru. (He gets flustered right away the first time he hears it, of course.)

Kaido and Tama have similar aptitudes and attitudes towards life, with both of them valuing hard work and pushing your limits, which is perhaps why they're able to get along so well. However, since they're both stubborn, they sometimes end up arguing -- when it comes down to the important things though, they're often on the same page and if not, they are able to work things out together. Interestingly, while both of them fuss over neatness and cleanliness, Kaido excels more in physical organization, while Tama's specialty is in informational organization.

The daughter of an old family friend, Miaki and Tama would often meet in their childhood as their college-buddied fathers chatted away. As kids they often played outside, and you could see them playing on the swings in the playground or picking wildflowers in the fields. Tama was much more prone to tripping and falling than the more composed Miaki, and would often tend to Tama's wounds and console her crying.

When Miaki moved away, the two continued to keep in touch, updating each other about their daily lives, emotional troubles, and other little secrets. During the school festival, the two girls were reunited once again, and during the (albiet little) downtime that she had between festival committee work and helping out with Seigaku's booths, you could see the two hanging out together. Even during the worst of times, Miaki has the ability to make Tama laugh without fail, something she is extremely thankful for.

Miaki's childhood friend, who Tama sometimes played with during her playdates with Miaki. As children, Tama was often blown away by Toshiko's charismatic energy, looking up to her lively yet seemingly unshakeable nature with awe. It's likely that much of Tama's cheerful exterior came from imitating Toshiko. When Miaki moved away however, Tama lost contact with her.

It isn't until middle school until the two crossed paths again, during one of Miaki's visits to the Kanto region. Tama was shocked to see Toshiko's stark change in her more reserved personality and the distance laid between the two. Later, in private, Miaki tells Tama about Toshiko's tennis elbow injury. Sympathetic for Toshiko's loss but uncertain as to how to make her feel better, she instead opts for simple kindness and patience. Over the course of the visits, Toshiko starts to open up more, and Tama is able to reach out to her once again.

Tama continues admire Toshiko her independence and compassion, and knowing that deep down, that person that she looked up to as a child still lives.

Miaki's childhood friend, who Tama sometimes played with during her playdates with Miaki. Like Toshiko, the two lost contact after Miaki's move to Osaka. When the two reunited, Reina easily greeted her as a friend as if no time has passed, helping Tama get over her initial nervousness meeting with the group after such a long time.

Both with a stubborn streak and a perchant to taking care of their friends, Tama and Reina frequently end up in "arguements of kindness". Whether it's choosing a movie to watch or splitting the bill, the two butt heads trying to put the other person first. Tama sometimes expresses worries about Reina's habit of overexerting herself, in which she replies, "You're the one to talk!" as they both grill each other for their lack of self-care habits (until Miaki has to step in to break the fight up). Despite (or perhaps as evidence of) how it may seem, the two are good friends.

Sakuno was one of the first people to welcome Tama to the Girls' Tennis Club, who she then continued to bump into and bond with outside of club activities due to them both hanging around the regulars. When the two are together, the aura of warmth surrounding the two can permeate the entire room. Sakuno sometimes goes to Tama for advice regarding her crush on Ryoma, and while Tama can't quite understand the crush itself (she often gets frustrated at Ryoma for his ignorance towards Sakuno's feelings) she does her best to support her and cheer her on.

During the school festival, Tama would sometimes participate in some of the tennis activities just out of curiousity. Watching her, Inui was intrigued to find that she seems to hold some natural tennis skill, and started to track her data as a result. When Tama went to Inui for help in improving her tennis, Inui already had a training regime ready for her to partake in. For Inui, Tama is a curious experiment in raising a tennis player from scratch, as well as a social cross-observation to see how a relationship can affect a subject (both in Kaido and Tama).

Tama highly admires Inui for his intelligence and will go to him for objective advice. While she doesn't enjoy the taste of Inui's Vegetable Juice in the same way Fuji does, she isn't as afraid of it -- instead, she accepts it as a motivator and punishment to push her forward.

Kawamura, Kaido, and Momoshiro worked together on the same booth during the school festival, and while Tama did try to be partial in helping every booth, the fact that she was inadvertently drawn towards Kaido meant Kawamura would be close by as well. The kind and gentle Kawamura was easy enough to befriend, and the shared struggle of breaking up Kaido and Momo's fights was something to bond over. What was surprising to, well, everybody, was how quickly she got used to Kawamura's Burning form. Somehow, she seems to be able to adjust well to those with intense personalities, doesn't she?

It's hard to not have some kind of interaction with your partner's rival, so it's no surprise that Momoshiro and Tama are well acquainted with each other. Momo was shocked at first to find that Kaido got a girlfriend, and was perhaps more than a little jealous to see the two enjoy each other's company (it's the kind of thing he's been wishing for, after all). Outside of that though, there aren't any hard feelings and they get along well, especially when it comes to talking about food.

Tama's pet hamster. She wanted a cat, but her parents didn't let her have one. His cuteness is contagious though, so he quickly won Tama over. His favorite things include burrowing into the ground, pressing himself against the plexiglass, and broccoli.