Hirunaka no Ryuusei

When her father transfers overseas, fifteen-year old country girl Suzume has to move to Tokyo to live with her uncle. Lost and confused in Tokyo, she bumps into a mysterious man. Who is he? And it turns out he's her homeroom teacher…? Chapter 47.5 (Heroine no Ryuusei) was a Heroine Shikkaku/Hirunaka no Ryuusei crossover for Betsuma/Margaret 50th Anniversary. It's the second chapter of the crossover between the two, the first chapter being Hirunaka Shikkaku. It's included in the Hirunaka Shikkaku & Heroine no Ryuusei entry. A Love Story in Moist Rainy Days included in volume 6 as chapter 40.5. More than Words included in volume 9 as chapter 60.6. Purple Love included in volume 12 as chapter 78.4.