His Elf Sister Sees Through It All

Sister: "Hmmff. So anyway, that girl gave you something at lunch, didn't she? I know."
Brother: "You know... meaning, you were watching me?"

"What did she give you? Omigod it's not a love letter. Fwwwfff, it can't be. Not for a guy like you......"
"Dingaling. Correct."

"What?"
"I mean...... It says, you know, she wants me to go out with her...... Hey, are you okay? You look pale..."

"W, what's your plan?"
"Me? Uh...... my plan......"

Sister: ".......You have to write back to her!!! I'm going to take a bath then we'll talk some more..."

(She trots off.)

Brother: "Did she believe me? I can't tell, but she's finally gone. For today......"

The story of a shonen living in the countryside and his dark elf onesan.
10 scenes of ecchi CG illustrations (2-3 variations each).
Approximately 50 total pages with simple dialogue text.