The Age-Gap Love Story that Became a Hit on SNS! Nee-chan no Tomodachi ga Uzai Hanashi!

First-year high school student Mitsusumi Nao confesses his feelings for his sister's best friend, Ikuta Sena. Surprised, Sena responds to Nao's confession by saying, “I can only see you as my dear friend's younger brother,” but Nao insists, “I can't see you just as my sister's friend.”

Since childhood, Nao has found Sena annoying, seeing her as someone who takes time away from his sister. However, Nao gradually starts to change his feelings towards Sena as he notices her loneliness and the fact that she has no one to protect her. By chance, the two end up visiting Sena's stepmother's grave, and their relationship begins to change little by little.

Nao wants to protect Sena in the same way he cherishes his sister, Rio. However, since Sena only sees Nao as a younger brother, he struggles to convey his feelings properly. In the midst of these complex emotions, Nao worries about how to move forward in his relationship with Sena.

This work is an age-gap love series depicting the romance between a friend's younger brother and an older sister's best friend. It has become a hot topic on SNS, with serialized continuations and special editions also included. As Nao and Sena's subtle relationship unfolds, readers will be watching over their future.

This story depicts the romance between a younger boy and an older woman, with Nao's earnest feelings stirring the readers' hearts. The beautiful illustrations and the detailed depiction of the characters' emotions are also captivating.

Nao's growth, determination, and sincerity enhance the story. The artwork is appealing, and the emotions conveyed through the characters' expressions and detailed depictions draw the reader in.

It is exciting to see Nao grow from a “friend's younger brother” to a “young man.” The ongoing changes in his relationship with Sena, and how the two will find happiness, are intriguing. As a reader, one hopes that Nao and Sena will honestly express their feelings to each other and build a happy future.

“Nee-chan no Tomodachi ga Uzai Hanashi” is a story that depicts the complex relationship between a younger boy and an older woman. Its poignant developments and beautiful artwork captivate readers. The progress of the relationship between the two is highly anticipated, making it a highly recommended book.