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.
Tsubasa-chan's always so 
cool-headed and reliable.
Tsubasa-chan ist immer cool
und man kann auf sie zählen.
Tsubasa est une fille
classe et serviable,
A Tsubasa-chan
é descolada e confiável.
Цубаса всегда такая
спокойная и надёжная.