Your Sister!? (UNDER CONSTRUCTION)

A "Kiss Him, Not Me" Fanfic You may not know this but Kae has a sister, a fraternal twin to be exact. Her name's Serinuma Fuyuko, A naturally beauty. She's been gone for 3 years being enrolled in an all girls private school. But now she's returned and will be attending Kae's school as the new student. How will Kae rea...