Setsuna no Rakuen

Yuzuki has always harbored an unrequited love for her childhood friend Junya. Her feelings remain hidden until the day Junya begins dating his classmate Kaori, leaving Yuzuki to shoulder the pain of never being able to express her emotions.

Meanwhile, Yuzuki notices that Toshiki, another classmate, looks at Kaori with a sorrowful expression. Determined to obtain the paradise she desires, Yuzuki decides to become Toshiki's accomplice in a plan that could change everything.