"Charles, are you awake?" Sheri asked as she slipped into his room.

"I am now," Charles replied, yawning as his eyes adjusted and he saw his sister standing next to his bed in her old-man t-shirt, her naked pussy with its long pussy lips clearly visible as he looked up at her.

"Mom and dad are asleep," she informed him.

"Okay," Charles said, aware of his rapidly hardening cock tenting the sheet.

"I wanted to talk," she said, fidgeting.

"Okay," Charles said, making out a glint of moistness edging her pussy lips.

"I want you to do a portfolio for me," she said.

"You're sure about that?" Charles asked. "You...