The light novel series 'A Sister's All You Need' written by Yomi Hirasaka with illustrations by Kantoku, began publication.
The anime television series adaptation of 'A Sister's All You Need' premiered in Japan.
The final episode of the 'A Sister's All You Need' anime series aired, concluding the first season.
Itsuki Hashima publishes his first light novel featuring a little sister protagonist, setting the stage for his author career.
Itsuki meets his supportive and caring little sister Chihiro, whose presence greatly influences his writing and personal life.
Itsuki forms a close-knit group of friends and fellow writers, including Nayuta, Miyako, and Takafumi, strengthening his personal and professional support system.
Itsuki faces a major setback when his latest novel receives poor reviews, causing him to question his writing style and sister-themed focus.
Chihiro encourages Itsuki to stay true to his unique writing style about little sisters, helping him regain confidence.
Itsuki publishes a new light novel that revitalizes his career and attracts a wider audience.
Romantic tensions rise between Itsuki and Miyako, complicating their friendships.
Itsuki learns to open up emotionally and deepen his relationships with friends and family.
The storyline culminates with Itsuki reconciling his passions, friendships, and romantic interests, finding balance in his life and career.
