Taichi started living with his grandfather after his divorced parents argued over who would take care of him.
In the present, he is hungry after taking notes for Kouhei but pouts after seeing Kouhei’s food is bigger. They bicker after Kouhei calls him childish for refusing to swap meals with him. Taichi compliments Kouhei’s mother’s cooking and Kouhei reveals his mother actually teaches cooking.
Taichi’s friend comes along and reminds him they will be shooting a movie in their department. Taichi invites Kouhei to come watch them.
On that day, Taichi and Kouhei act as zombie students but Kouhei is nervous because he has never acted before but Taichi assures he will do fine because he is athletic. A pretty girl, Miho, is called to do their makeup. Kouhei helps move her when some people nearly run into her. However, the shooting goes well and afterwards, Taichi gives Kouhei juice just as he had promised. When he cries that he wants to eat Kouhei’s hamburgers, Kouhei asks about his mother and Taichi tells him his family’s situation which earns him Kouhei’s pity.
Taichi notices how girls fawn over Kouhei and asks him if he’s popular but Kouhei doesn’t care feeling that no one really wants to know the real him and like him. He only cares that the person he likes understands him. Miho invites them to celebrate with the team but Kouhei refuses and leaves so Taichi and Miho leave together. However, Kouhei sees them from a distance, laughing at Taichi’s grumbling stomach.
The next day, Taichi is happy when his friend calls to let him know that Miho wants his number. He feels she likes him so he meets her at a restaurant that is hiring part time workers. However, he is disappointed when Miho meets only to get Kouhei’s number because they are friends. She wants to know everything about Kouhei and when she finds out he can’t hear, she’s intrigued and tells Taichi of her favorite novel God of the bells where a girl meets and falls in love with a man who can’t hear. She feels she’s in the same situation but Taichi gets angry at her for pitying Kouhei and that what is happening to him is reality while she sees it as fiction.
Meanwhile, Kouhei asks his mother to prepare lunch for him to take to school the next day. He also asks her for a favor. The next day, Taichi seems lost in thought after taking notes for Kouhei. Kouhei notices and asks why he is spacing out but Kouhei responds he is just hungry. He is happy when Kouhei gives him his favorite food he has been very eager to eat. He asks how the food tastes and Taichi responds it’s even more delicious than the previous days which makes Kouhei very excited.
While Kouhei copies his notes, Taichi narrates how he felt distressed because of his parents and threw tantrums at people around him but when his grandfather gave him a burnt hamburger, it was the most delicious food and Kouhei’s food tastes like that. He thanks Kouhei but he can’t hear him. (I feel like crying)
He asks if Kouhei is ignoring him. Kouhei hears that and apologizes for not hearing before but Taichi doesn’t mind and asks him to finish eating before copying his notes but Kouhei doesn’t let it go and makes him repeat everything he said so he does that.
Later that day, they part ways and Kouhei watches as Taichi runs off recalling how he asked his mother to teach him to prepare Kouhei’s favorite hamburger meal which he just ate. But then he suddenly feels a ringing in his ear. He can’t hear anything at all.
In the next episode, Taichi tells Kouhei that he got hired at a fancy restaurant he went to with someone. Kouhei asks who he went with but he doesn’t tell him. Kouhei feels that previous ringing in his ear but hides his discomfort from Taichi. However, Taichi is secretly impressed with Kouhei’s reading methods.
After their exams, they wish each other a happy summer vacation before parting ways. When Taichi first starts working at the restaurant, he finds it difficult to adapt but slowly, he adjusts and does very well.
Meanwhile, Kouhei’s mother tells him not to stay home all day and to go out and meet with friends but Kouhei doesn’t hear so she repeats her words and asks him to go out to the festival with someone suggesting he should bring along the boy he always talks about. Kouhei thinks Taichi may be busy with part time work but texts him regardless. Taichi accepts to go and Kouhei’s mother notes how happy Kouhei suddenly looked. While Kouhei helps his mother decorate her pastry, his ears ring again and his mother, worried, asks him to go to the hospital.
However, the diagnosis isn’t good. His hearing loss is getting worse and they need to run more tests on him. Kouhei asks if he may never hear again and the doctor replies that there’s a possibility that it can happen but he shouldn’t stress himself in his condition. But all Kouhei can think of is how he would no longer be able to hear Taichi’s voice one day.
Miho’s cousin runs into him in the hospital. He’s here to give his uncle who had an accident some clothes. However, he tells Kouhei how he told his cousin Miho to get Taichi’s help to confess her feelings and is surprised that Taichi didn’t tell him.
It starts raining and Taichi texts Kouhei to know if he will still come for the festival. Later, Kouhei texts back that he will be waiting for him. Taichi rushes to meet him but he is wet to the bones. Thankfully, Taichi has an umbrella with him. Now, we are back to the first episode where they take shelter under a bridge. Kouhei tells Taichi he really wanted to see him. Taichi asks jokingly if he likes him that much to which Kouhei replies that he does which stuns Taichi. He then tells him how he loves to hear his voice and hates that he would no longer be able to hear him. His ear starts hurting as Taichi’s voice fades in the background. As Taichi tries to help him, Kouhei confronts him for not telling him he met Miho. Taichi apologizes but doesn’t tell Kouhei how Miho saw him as a character in her novel. Kouhei runs away despite the pouring rain.
When he arrives home, he is wet and can’t hear a single thing. Meanwhile, Taichi who looks forlorn in his house gets a text on school resumption day and hurries out. The text is from Kouhei clarifying that he wasn’t angry with him. He thanks him for being by his side but doesn’t want to bother him anymore. Taichi searches all around campus for Kouhei, even asking his friends but Kouhei is actually taking procedures to get a new note taker.