Uso! Yanagiba-sama ni Koibito?/No way! Yanagiba-sempai's girlfriend?

Momoko, Yuri, and Hinagiku volunteer at a nursery school for a day but things are not what they expected in more ways than one. Yanagiba appears at the nursery school to pay a special visit to the teacher, Reiko, and the three girls jump to all sorts of conclusions.