Oh No, Why Has My Little Sister Become a Siscon?

[One Heroine]+ [Everyday School Life]+ [No Blood Relation]+ [No System]

My name is Lu Zhe, an ordinary high school student. My biggest wish is to make it through three years of school in peace and get into a decent university. But ever since my mom remarried and I gained a stepsister who isn’t related to me by blood, my good days have been over.

At first, she seemed pretty normal. She was a little shy when she called me “big brother.” But lately, things have been getting stranger and stranger. She insists on walking beside me to school, lingers at my desk during lunch break, and even throws away every love letter from other girls that she finds in my desk. Yesterday was even more outrageous. Right in front of the whole class, she wrapped her arms around mine and said, “Big Brother can only be mine.”

The whole class went wild, and the teacher looked at me like I was a pervert.

“I’m really not a pervert!”