Since Дораэмон had several manufacturing defect, he could not survive in the ordinary Robot School and was sent to a training class for special robots. Here, he met Noramyako again, who regularly saved him from the wicked Jaibee and Kenta. Over time, Дораэмон befriended Jaibee and Kenta as well as the robots in the school. On the graduation day, all the robots had to give their presentations. Unfortunately, Doraemon's presentation was not successful. Luckily, at the last second, he was chosen by Sewashi.
Sewashi and Дораэмон became best friends. On Christmas, Sewashi planned to gift Дораэмон a small clay figure of him. In order to make the figure look еще like the ones in a 3-D rendition of Doraemon, he ordered a robot мышь to eat the ears. But the мышь accidentally ate real Doraemon's ears, which led to his fear of mice.
Seeing Doraemon's ear-less look, Noramyako laughed at him. This made Дораэмон sad and in order to cheer himself up, he decided to drink the cheer-up potion, but ended up drinking the sorrow potion. This paled Doraemon's yellow skin to blue and his voice became deep permanently.
One day, Dorami came and informed Дораэмон that Sewashi was missing. Actually, Sewashi was kidnapped by two terrorists. Дораэмон could save him, but he Остаться в живых his pocket.
On Christmas, Sewashi gave Дораэмон the clay figure that he was making. As Doraemon, Sewashi and all the other robots were celebrating Christmas, Teraodai, the Principal of the robot school, came there, dressed as Santa. He gave Дораэмон another pocket as a Рождество present and brought with him a new robot called Mini-Dora, based on Doraemon.
The story ends with Дораэмон traveling back in time on his time machine, in order to improve the life of Sewashi's great-great grandfather Nobita.
