Himeno has a young cousin named Shino-chan. Manami, as well, has three young triplet sisters, and an even younger fourth sister. One day, Manami orders her triplet sisters to stay home and watch their youngest sister while she goes out. This leads the four youngest Mitama sisters to experience a truly mysterious phenomenon...
But something weird happened.
.ولكن حدث شيء غريب
Aber da ist was Komisches passiert.
Pero pasó algo raro.
Pero pasó algo raro.
Ma è successa una cosa strana.
Mas aconteceu algo estranho.
Но произошло кое-что странное.