Sayuri and her new friend Ran Mochizuki attend their first day at Fleurir. Ran mentions Sayuri being there on a scholarship, and Tsubaki Sannomiya and her two friends overhear and confront Sayuri about it. Ran gets into an argument with them, and Ryou Kouzuki gets pissed at the girls for blocking the hallway. He stares at Sayuri and notices that she looks similar to someone he knows. Headmistress Minagawa breaks up the girls and warns Sayuri about getting into arguments when she's on a scholarship. The girls attend the opening ceremony where they meet the three pâtissier teachers, Mitsuki Aoi, Gilbert Hanafusa and Yoshinosuke Suzumi. Everyone notices how handsome they are while Sayuri remembers the headmistress's strict policy against student-teacher relationships. Sayuri promises herself that she'll focus on becoming a pâtissier.
Sayuri is paired up with Ryou in an orientation exercise. She realizes Ryou's extreme talent for baking, due to coming from a family of bakers. The three teachers then show their own skills and win over the students.
Ryou allows Sayuri to help him bake during the exercise after seeing her being bullied by Sannomiya. Ryou and Sayuri's cake turns out delicious, and the instructors show their own desserts. The students all try each other's creations, and Ran tells Sayuri that the headmistress seems to be keeping her eye on Sayuri.
Suzumi invites Sayuri to go shopping for ingredients to make a dessert for his friend's birthday. They bond over baking, and Minagawa catches them in the act and berates them. Sayuri muses that Suzumi understands her and she would like to meet his fiancée.
Hanafusa asks Sayuri to take him on a tour around Tokyo so he can learn more about Japan in order to create a dessert with a Japanese essence.
Hanafusa and Sayuri visit the chocolatier shop owned by Mitsuki's family. Mitsuki's brothers treat them to chocolates, and Minagawa shows up, once again catching Sayuri with a teacher.
Sayuri struggles to create satisfactory cream puffs and goes to the garden for inspiration. She meets Mitsuki there, and they talk about his family's shop. Ryou watches in disdain from above.
The Fleurir students head to the beach for the school's Okinawa training camp and play beach volleyball. The game ends with the teachers and Ryou ending up in the hospital with sunburns. They were very upset and had to stay inside....
A woman on the beach drags Ryou and Sayuri to a "best couples" contest. They end up winning, and Ryou protects Sayuri from a group of drunk men.
Ryou injures his arm from protecting Sayuri on the beach, and Sayuri brings sweets to him in the hospital. Sayuri comes across an older lady who asks her for help finding her hotel. The lady turns out to be Hanafusa's grandmother.
Sayuri has dinner with Hanafusa and his grandmother, and she worries that she will not make it in time to visit Ryou.
The Fleurir students and teachers go hiking in the fall to find inspiration for new desserts.
The teachers showcase their handmade lunch skills on the hiking trip, and Sayuri gets a chance to talk to Ryou alone.
Sayuri falls sick and stays in the hospital. The teachers and Ryou bring desserts to her to help her feel better.
Sayuri has a strange dream about each of the teachers and Ryou turning into maro.
Ryou and Sayuri go Christmas shopping, and she asks Ryou who she reminded him of, but he dismisses the question. They sit and talk on a bench. Ryou begins to ask her an important question, but they are ambushed by the teachers.
Sayuri, Ryou, Hanafusa, and two of Sannomiya's friends go head-to-head in a snowball fight against Mitsuki, Suzumi, Ran, and Sannomiya. The fight ends in a tie with all the men ending up in the hospital once more with colds.
Sayuri and Ran visit a shrine for New Years, and run into Mitsuki, his brothers, and Sannomiya. Sayuri is melancholy, thinking about graduation.
Ran and Sayuri visit the three teachers at school and play badminton, with the winners getting to paint funny faces on the losers.
Sayuri makes Valentine's Day chocolates and gives them to Ryou, the three teachers, Ran, and Sannomiya and her friends. Mitsuki gets called to the headmistress's office and is told to pick participants for an unknown event.
Sayuri and the teachers at Fleurir are invited by the headmistress to participate in the "Galaxy Dream Confections" competition, which Fleurir are the previous winners. At the event, they are confronted by a rival team: Kashuu Academy.
The Fleurir and Kashuu Academy teams progress to the final round, where the theme is "What you wish to convey to the future". Mitsuki asks Sayuri to decide what the team will create.
In the final round, Kashuu Academy finishes their creation first, a croquembouche. But the Fleurir team win with Sayuri's idea, a confectionery Earth.
It is Graduation day and Sayuri says farewell to all the teachers.
