| S/mileage 2 ~AyaKanon 18sai no Yakusoku~|
|Group Photobook by S/mileage|
|Released||April 25, 2013|
|Cooperation with||Up-Front Agency|
|S/mileage Publication Chronology|
|Previous|| S/mileage 1|
|Next|| S/mileage 3 ~6nin de FULLCHARGE~|
S/mileage 2 ~AyaKanon 18sai no Yakusoku~ (スマイレージ②～あやかのん18歳の約束～; S/mileage 2 ~AyaKanon An 18-Year-Old's Promise) is a photobook by first generation S/mileage members Wada Ayaka and Fukuda Kanon. It was released on April 25, 2013 by Wani Books. It comes with a Making DVD.
The photobook is about Wada and Fukuda's last moments in high school.
- This is their first group photobook, second overall with the digital photobook Tamerai wa Strawberry.
- The name "S/mileage 2" was used in relation to the photobook S/mileage 1, which featured former members Maeda Yuuka and Ogawa Saki.
- According to Oricon the photobook sold 777 copies.