Since I don't know any other octopi, she doesn't have a name.
I call her tako(octopus)-san.
We do everything together.
I wake up with tako-san.
I study with tako-san.
I take baths together with tako-san.
I sleep together with tako-san.
Analysis
The Takos are taking a bath together. The bath is the classic Japanese one, the one you can see in lots of anime. They have a plastic toy dolphin to play with.