Chiyo, despite her normally calm demeanor, is easily worked up. Cute things make her pull all-nighters to pursue cuteness. Ninja-related things remind her of her ninja upbringing.

If you could make a wish come true, what would it be? Change the past? Change your gender? Lose weight? Whatever it is, Colonel Rikka has you covered. She just won't warn you beforehand.

The four friends go on a trip to Atami, a resort area known for its hot springs and traditional wooden dolls. However, it also featured an eagle-eyed local who could accurately determine Tsubasa's gender.

Time is running out. The lies are not holding. When the truths comes out, can the four kids remain friends? Can Rikka stay on Earth, without messing with the space-time continuum?