Sakura

Biodata

Background

Sakura is the second daughter of the Hoshino Family and the older sister of Hoshino Akira. At twenty-six years old, she works as an online singer and designer. 117

Eight years before the events at Advanced Nurturing High School, she uploaded her first solo single online. Her debut album the following year—written and composed by Sakura herself—immediately topped the sales charts. Her subsequent annual albums have continued to receive strong responses, earning her a large fanbase, particularly among students. 41

Although widely known by her stage name, Sakura has never publicly revealed her face. Her songs are released exclusively online, while her sophisticated voice and occasional blog posts have led fans to imagine her as a mature, cool-headed, and aloof older-sister figure. 41

Appearance

Sakura is described as a lively, cheerful beauty. 117

Personality

Sakura’s private manner sharply contrasts with the composed public persona associated with “Big Sister Sakura.” In conversations with Akira, she is energetic, playful, dramatic, and openly affectionate toward him. 40 41

She is intensely doting toward her younger brother, distressed by his decision to attend the isolated school and eager for him to return home. Her attachment to Akira is explicitly characterized as an obsession. 40 41 117

Career

• Uploaded her first solo song online eight years before the story’s present events. 41
• Wrote both the lyrics and music for her debut album, which reached the top of the sales charts upon release. 41
• Releases albums annually, each receiving a strong public response. 41
• Maintains anonymity by never showing her face publicly and distributing her music online. 41
• Is known to fans as “Big Sister Sakura.” 41

Relationships

• Hoshino Akira — Her younger brother. Sakura is deeply affectionate and worries about his wellbeing, repeatedly urging him to leave Advanced Nurturing High School. 40 41 117
• Hoshino Hitomi — Her older sister and a neurosurgeon within the Hoshino Conglomerate. 117
• Hoshino Zhi — Her older brother and the eldest son of the Hoshino Family. 117
• Ichinose Honami — A devoted fan who excitedly identifies herself as such during Sakura’s call with Akira. 41
• Kushida Kikyo — A fan who seeks an autograph from Sakura through Akira. 41 42

Story Role

Contact with Akira

After Akira’s phone communication lock is removed, Sakura immediately answers his call and reacts with overwhelming excitement at hearing from him after nearly two months. She criticizes his decision to enroll in the closed-off school and asks him to withdraw. 40

Upon hearing girls near Akira, Sakura immediately demands information about them. She later invites his “little girlfriends” to visit the family home and offers to give them autographs. 40 41

Revelation of Her Identity

Akira identifies the caller to his classmates as his older sister, Hoshino Sakura, an entertainer performing under the stage name Sakura. Her identity surprises Kushida and Ichinose, the latter being an enthusiastic fan. 40 41

Notable Quotes

“Little Akira~ I've been holding back for a long time, you know. Not seeing you for two months, I really can't take it anymore...” 41

“Then hurry up and drop out of school, and bring all those little girlfriends of yours home, won't you?” 41

Trivia

• Sakura’s public image as a calm, mature “Big Sister” is largely based on her voice and limited online presence rather than direct public appearances. 41
• Her first name is shared with Sakura Airi, causing brief confusion when Akira refers to “Sakura-san” during his phone call. 40