第二物语 ～少女之夏与15分钟的记忆～
Second Story ~Summer of a Girl and 15 Minutes of Memories~
"Second Novel ~Her Summer, 15 Minutes of Memories~" centers on a fall incident from five years ago: Naoya returns to his alma mater and reunites with his old classmate Ayano, who now only retains fifteen minutes of memories, searching for clues to the past in the school stories she tells her. Players must record the information as cards and then choose which cards to present to Ayano; Card combinations change the narrative branch. Nippon Ichi Software has released this title as a youth suspense adventure game for PSP.
The Twenty-First Loss (Novel within the Second Story)
The story 'The Loss of the 21st Place' included in the game 'The Second Story' was written by Tamaki Ichikawa, with paperback illustrations by Noiji Ito.
Summer Shadow (Novel within the Second Story)
The story 'Summer Shadow' included in the game 'Second Story' is written by Meron Umineko Sawa, with library illustrations by Itsuki Akata.
Color of Sound (Novel within the Second Story)
The story 'Oto no Iro' included in the game 'Second Story' was written by Yosuke Karabe, with library illustrations by Sana Wakatsuki.
First Novel Bunko (Nini Monogatari Bonus)
The special edition of 'The Second Story' consists of 346 pages, featuring five in-game stories with color frontal content.
There Is a Reason for the Onion Phenomenon (Novel within the Second Story)
The story "Tamanegi Phenomenon Has a Reason" included in the game "The Second Story" was written by Masaki Motonaga and illustrated by kashmir.
The Unending Staircase (Novel within the Second Story)
The story "The Stage of Ending," included in the game "The Second Story," was written by Romeo Tanaka and illustrated by O-Ji for the paperback illustrations.
Yukari (Ayano's Story) (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
The teacher in Ayano Monogatari is modeled after the real-life Yukari, who is kind to students and quite popular.
Chiaki (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
An 11-year-old girl who often comes near the school during summer vacation to meet Naoya and Ayano.
Sakura (Ayano's Story) (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
Ayano's friend in Ayano's stories, with long black hair, gentle personality, and an interest in amulets and mysterious things.
Yuuichi (Ayano's Story) (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
The boy in Ayano Monogatari, modeled after his real-life childhood friend Yuuichi; The real-life Yuichi died on the school rooftop five years ago.
Yuuichi (Reality) (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
Naoya's close friend and Ayano's childhood friend, who died on the school roof five years ago. Ayano later used him as a model to tell the story.
Ayano (Second Story ~Summer of Girls and 15 Minutes of Memories~)
23 years old, survived jumping from a school roof five years ago, and since then can only retain about 15 minutes of memory. She reunites with Naoya, telling stories from their school days.
Naoya (Second Story ~Summer of Girls and 15 Minutes of Memories~)
A 23-year-old youth returns to his mother's city for summer vacation and reunites with his old favorite Ayano. He was friends with Yuuichi, who died five years ago.
Ayano (Ayano's Story) (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
In the story told by Ayano, a second-year high school girl modeled after the real-life Ayano and enjoys creating stories.
Yukari (Second Story ~Summer of a Girl and 15 Minutes of Memories~)
A 30-year-old Japanese language teacher who started teaching at the school five years ago, continued to care for Ayano after the accident, and stayed at school during summer vacation.