Japanese with Manga
Learning through examples in manga

A saved-up story with 〜ておく

Manga panel from ご注文はうさぎですか? showing example of A saved-up story with 〜ておく.
ご注文はうさぎですか? » Volume 1 » Page 73

A sleep-over at Chino’s place turns into a late-night scary story-telling session.

千夜(ちや):
とっておき(はなし)があるの」
“I have a special story in reserve.”

とっておき acts as an expression (()る + おく), with a meaning along the lines of “to set aside; to keep in reserve; to hold on to”.