|Kanji Name||七咲 逢|
|Romaji Name||Nanasaki Ai|
|Age|| 16 (Amagami SS)
17 (Amagami SS Plus)
|Date of Birth||February 21th|
|Height||153cm / 155cm|
|Family||Ikuo Nanasaki (younger brother)|
|Manga Debut||Chapter 1|
|Anime Debut||Episode 1|
Ai Nanasaki (七咲 逢, Nanasaki Ai) is one of the main female protagonist of the story, and her story is in the 4th arc. She is a classmate of Miya Tachibana and Sae Nakata. She is also a student of class 1-A, and an aspiring member of the official Girls' Swimming Team.on the first episode of the amagami ss+ on her ark it is shown that she became the president of the girls swimming team
She has short black hair and purple dusky eyes. She wears their formal school uniform, also she is the only known girl to use a blue sweater instead of the beige one all the girls use, but she is mostly seen wearing a swimsuit as a part of the swimming team.
She tends to be a cold and reserved girl, hanging most of the time with Miya Tachibana and Sae Nakata, however when she meets Miya's brother, Junichi, despite having a low opinion of him at the beginning, she grows to love him. She possesses a cool and calm disposition. She has fans in school as well. She also acts her age, but sometimes she acts the opposite.
She has a younger brother called Ikuo.
She is a member of Kibitou Girl's Swimming Team, which is why she is wearing her swimsuit most of the time. Apparently she admires her captain, Hibiki Tsukahara.
Junichi meets her during on his way to the Park Public Toilet in the evening, accompanied with Umehara. They accidently see her underneath during she jumps from swing. Ai takes a quick notice and label them as pervert and jokingly teases them by calling the police.
The next day, Junichi meets Ai again during lunch with Ai yells at him due too long for choosing lunch set. In the afternoon, during her swim training, she goes out to find a black cat she named Pooh and meets Junichi again. This time, she teases him after she realizes that Junichi is trying to peek her underneath agai, revealing him that her underneath is swimming suit and tells him that he also saw her swimming suit during his first encounter. Before departing, she reveals to Junichi that she is Miya's classmate and warns him that she doesn't want to have her best friend to have a pervy big brother.
Ai meets Junichi again on the next day inside the school library for her study, helping him, Umehara, and Kaoru to look at the new librarian girl. She is soon being taught by Junichi in Math due Kaoru's and Umehara's suggestion which impressed Ai and changes her view about Junichi.
As the series goes on, her relation with Junichi become closer, can be seen when they go to shop together, being taught about Inago Mask toy, talking about taking care of her little brother, having fun at a park, and her feelings can be revealed during her depressed of unable to join the swimming competition.
On Christmas day, she is helped by Junichi to take care of the Swimming club tradition to open stall. After the party, she takes Junichi to her secret onsen and take a bath together. This arc ends with Junichi sleeps on her lap and Ai spoils him on the side of the beach.
She feels down for not having a swimming club activity. Junichi decides to cheer her by talking in the place where he and Ai have met before for searching Pooh. In the end of the OVA, Ai is hugged by Junichi by holding on her skirt pockets, which makes her shy and Ai tells him that she needs to hurry and do a shop. Junichi agrees to come along with her.
Taking a year after the Amagami SS Ai Nanasaki arc. In the beginning, she is seen with Junichi on the beach, spoiling each other. In the next day, Junichi decides to take a look for her in her club time. However, soon Junichi is scolded by the girls which is worsened because of Miya join the fray (though at first he was scolded by Ai herself and planned to be forgiven). At night she is thinking about where should she has her next Christmas date due she can't take Junichi along with her to her family private onsen because of deer's population problem.
However, the next day, Junichi apologize to Ai because he failed the cram's school exam due to his clumsiness for answering the questions wrong for a slide (and he even said the answers are supposed to have a good mark). At first, Ai forgives him and just let it by due there will be a remedial exam. But her hope is downed because at midnight, Junichi is forced to go for supplementary lessons which is revealed by Miya (Junichi told Miya to deliver the message of his sudden urgent).
In the Christmas Eve, she walks around and reminded herself about her time with Junichi when he was together with her, which makes her cry as she misses him. Soon, Junichi comes to her while she is looking at the Inago Mask's belt toys. They have their times afterwards until they accidently meet with Maya Takahashi (though they don't realize that she is halted by Umehara for some moment).
In the end of this arc, Ai wakes Junichi to watch fireworks. This end might be a year after the SS+ is finished because Junichi stays in an apartment for his college activities.
Taking time after her date with Junichi when he was escaping from cram school study. She nurses Junichi because he has a fever. In the end of it, Ai is influenced by Junichi's fever due of his fault for hugging Ai while he was still and Junichi takes turn to treat her this time.
In her route, she is portrayed as a girl who places swimming above everything. She sees Junichi as a bit childish for his age, possibly in part because he reminds her of her own little brother.
Her relationship with Junichi strains her swimming performance and puts her at risk of not being qualified for the tournament. They work things out and Ai manages to stay in the swim team. After the festival, they spend their Christmas in a hot spring in the mountains. Junichi realizes how much she means to him and confesses. She accepts and hugs him while they are both in the spring. Many years later, they are seen again watching fireworks from their room.
Ai and Junichi spend Christmas at the school festival. He confesses to her on the rooftop and she accepts. They watch the lighting of the Christmas tree together.
Many years later, they're both working in different companies. Ai is late meeting Junichi at a ramen stand because her boss chewed her out for not being married at her age. Junichi mumbles something about marriage while Ai smiles and asks him what he just said again.
If Junichi stoods her up on Christmas, Ai is hurt and doesn't talk to him for a while, but eventually forgives him anyway. Many years later, they're talking to each other on a beach with his head on her lap. She realizes that she can never stop loving Junichi.
- Ai is the only girl to be cold on Junichi on her first sight, except on Rihoko's and Tsukasa's arc.
- She has a habit of wearing a swimsuit under her school uniform.
- In anime, her ending is mixed between best ending and bad ending. She and Junichi spend Christmas in a hot spring in the mountains, but in the last scene before credits she and Junichi are shown at the beach, talking while Junichi rests his head on Ai's lap.
- Ai shares some similarities with Mai Sakura from Amagami's spiritual successor, as both Ai and Mai are athletic. Ai is a member, later captain of the swimming team while Mai is a member of the Gymnastics team.
- Ai is rarely with Mia or Sae once she become Junichi's girlfriend.