This is a story shortly before they were locked up.
They went into a storeroom on an adventure, and the three of them are exploring various things.
Mika tries to leave, but Kachusha finds something golden and decides to stay.
Mika-chan is conflicted.
Kachusha-chan's hand slipped and the toy almost hit Mika-chan. But Calvados protected her.
Mika-chan seems to have fallen in love with her coolness.
She finds out she is pregnant and the teacher is doing her best to take care of the housework.
Chiyomi is enthusiastic about becoming a big sister.
It is a happy aspect.
Teacher Calvados gave me a car.
Chiyomi received an allowance. Chiyomi says she wants to buy sweets for everyone with the money. The teacher is moved to tears by her kindness.