Cats are quietly living in the attic of the Louvre Museum. For their own safety, the cats live in such a way that humans cannot find them. However, one white cat is so fascinated by the paintings that he shows up at the museum, even ignoring the cat's rules. And he occasionally enters the paintings.
Hikari is a high school student who is good at drawing and dreams of becoming a painter in the future. One day, Picasso is involved in an accident with his only friend Chiaki, who dies. Picasso returns to his daily life without feeling Chiaki's death, but then Chiaki appears in front of him in the form of a fairy. After the accident, Picasso had also acquired the ability to sketch the darkness of people's hearts and enter into their paintings (inside their hearts). Thus, Picasso, together with the dead Chiaki, begins to resolve the darkness in the hearts of his classmates.
Akiko grew up in the countryside and dreamed of becoming a girls' manga artist, believing that she was a genius at drawing. As a high school student, she made a plan to "enter an art college and make her debut as a manga artist while still in school," and entered the art college preparatory course at Hidaka Painting School in her third year of high school. This manga depicts her encounter with her strict but kind teacher, Mr. Hidaka, her entrance examinations, university life, employment, and her life as a manga artist.
Yatora has excellent grades and enjoys his high school life with his like-minded friends. Because he is able to handle everything with ease, he has never had a passion for anything and has never set a goal for his life. Then he stumbled upon the world of art. One of his senior girls drew a picture that inspired him to start drawing, and he eventually began studying in earnest to enter the most prestigious art university. This is the story of his journey from the school's art club to a preparatory school for art college entrance exams, where he meets people full of individuality and is inspired to move forward.
Dai is a member of the basketball club. When he was in junior high school, a friend took him to see a live jazz performance, which struck a chord with him. After that, he began practicing tenor saxophone by himself. This is the story of a boy fascinated by jazz who aspires to become the best jazz player in the world.
