Following their parents’ unexpected passing, Haruka and his twin sister Sora relocate to the house once home to their grandfather, nestled in the small village they remembered from childhood visits. There, Haruka reconnects with familiar fa…

Sora requests that Haru take her measurements for a uniform, and she begins attending school with Haruka. A slight disappointment accompanies this, however, as they discover they are not in the same classes. While cleaning the swimming pool…

The realization dawned on Kazuha that Haruka had overheard their conversation, and she hurried after him, determined to dispel any misinterpretations. She confessed the truth: Akira was her older half-sister, born to another woman. Her fath…

Returning from school, Haruka and Kazuha are stopped by a breathless Yahiro, clearly worried about Akira’s absence. Akira, known for her unwavering reliability, was never late. They find her at home, overcome by exhaustion, collapsed on the…

Near the girls’ locker room, Haruka paused to overhear Akira and Kazuha speaking. Lately, he’d noticed a shift in Akira’s demeanor, a subtle strangeness that prompted him to speak with her privately the following morning at school. Seeing t…

Haruka found Akira in the midst of an act, poised to destroy something. It was her mother's journal, the one that held the possibility of a crucial truth: a chance of mistaken identity between Kazuha and Akira. With the journal in hand, Har…

Sora asked Haruka to take her measurements for a uniform. The following day, Nao arrived with mosquito repellent for Haruka, knowing Sora’s aversion to the insects, and departed soon after. The next day, Ryouhei invited Haruka to the school…

Sora's animosity toward Nao has become openly displayed, evident even in the presence of Ryohei and Nao herself. One afternoon, drawn by the aroma of curry from the kitchen, Sora witnesses Haruka and Nao embracing intimately in the living r…

Sora resolved to keep pace with the others at the beach, but as she stepped off the bus, she overheard news of a young man rescued from drowning, unconscious. Turning her gaze toward the commotion, she realized the boy was Haruka. Nao had a…

Haruka seeks a fresh start with Nao, yet Sora’s presence lingers in his thoughts. Lately, Sora seems resistant to accepting Nao, and her behavior towards him feels like a subtle form of mockery. Haruka proposes a date with Nao, but he canno…

Haruka asks Nao out again, but the image of Sora's intimacy that night lingers persistently in his mind. Finally, overwhelmed, he attempts to dispel the intrusive thoughts by taking Nao to a hotel. She refuses his advances, demanding to kno…

Kozue fled in stunned disbelief at the sight of the twins together, while Nao had already departed, leaving Sora unmoved. Haruka considered skipping school, but she urged him to dismiss the thought. The following day, Kozue declared she wou…