Ohime-sama☆Ecchi ~H no Tehodoki! Oshikake Futago ni Omakase~

Kazunori is an ordinary student. One day, twin sisters Sera and Seri suddenly come to his house. They are princesses he met when he was a kid. "We've been waiting for you for more than ten years!" Yielding to their love approach, he finally sleeps with them....