A collection of works by Kazuma Kowo. The first half of the book contains all 19 chapters of "Paradise, And After...", a webcomic serialized on Rakuen Le Paradis' website from 2009-2016. The second half contains 5 stories related to the author's previous work, Junsui Adolesence.

A student-teacher romance.

Chapter 1: Summer Window Syndrome
- Why doesn't Nanao want the school doctor to call her by her first name?

Chapter 2: On My Tiptoes in October
- Nanao sees a different side of Matsumoto.

Chapter 3: First Love Canon
- Another teacher gives Matsumoto and Nanao some advice.

Chapter 7: Chatting in Our Pajamas
- Kiyo is in love with her friend Nanao, but knows that Nanao is already with someone else.