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...
I didn't really understand what the 
two girls who were kissing meant.
لم أفهم حديث الفتاتين
.عن معنى التقبيل جيّدًا
Ich habe nicht wirklich verstanden,
was die beiden,
No entiendo lo que las niñas
que se besaban decían.
No entiendo lo que decían
las niñas que se besaban.
J’ai pas très bien compris
ce qu’elles ont dit,
Non ho capito bene cos'hanno detto
le due ragazze che si sono date un bacino.
Eu não entendi direito 
o que as meninas que se beijaram disseram.
Я так и не поняла, что имели в виду 
те две поцеловавшиеся девочки.