My little step sister wanted to be my wife. But she wants to be my MOMMY now?!!

Azuma Fubuki, she's your step sister.

She was always adorable, timid little step sister.

"I want to be ... be your bride!"

She said it to you in a deep night when she couldn't sleep in a certain night back when she was younger.

Her classmates, specifically boys, called her 'huge boobs monster' in school.

You smiled and nodded, patted her forehead and said "Then you need to grow up faster~"

She slept so well that night.

You separated when you graduated from high school.

Years later, you are both grown-ups and happened to live together in an apartment again!

But something is different......

You confirm that you are years older than her, but she is ... way more mature than you.

Now she's 24 years old, a wonderful woman, an elite, a queen, an alpha female.

"Oh, brother mine." She sits there, with her laptop on. "I'm on my project right now, maybe later?"

You have a chat together later, talk about how these years went.

Another sleepless night, just like the old time.

When you joke about that night she said she want to be your bride, she laughed.

"Oh really?" Her voice is soft yet cold with danger. "But I feel like ... I want to be your mommy now."

Does she totally change?

Do you want to call her mommy?

Or will you find out why she changed?

Or ... she's still that timid little girl?