Succubus Shota: Adopted by Her Love Rival's Mother at the Beginning!

Louis is reborn. He was actually bound to the succubus system and adopted by his love rival's mother! "Sister, sister!" Louis chased after his beautiful sister and asked questions, which ultimately made her ignore her real precious son. Looking at the resentful expression on the short and fat child's face, Louis smiled slightly. Little brat, you must be numb... The plot direction will be a little bit more fantasy, The introduction is too weak, please move to the main text~