What does "pet's noisy time" mean in this context =?

TheSandvichMan said:

What does "pet's noisy time" mean in this context =?

Rin and Reiuji are her pets^^.

TheSandvichMan said:

What does "pet's noisy time" mean in this context =?

Look who the artist is. That's all you need to know.

Markgraf said:

Rin and Reiuji are her pets^^.

Reiuji is her family name. Okuu's given name is Utsuho.

Don't worry, even Okuu forgets sometimes.

[deleted]

Later, little sister joined in.

A little sister is added.

Her mind goes nuts.

TheSandvichMan said:

What does "pet's noisy time" mean in this context =?

They're in heat and are tending to their needs. Koishi joined in because well enough subconscious desires and well...

That's a really good face.