[Different from the original work, Momo Honkai's debut work TUT. Mary Sue, Mary Sue, I am Su and I am proud. Children who read BaWang are not good children TATAmbiguous Series
"Tsuna-kun, mother gave birth to a younger sister for you..."
Opening his eyes, a familiar face appeared in front of him, and a gentle voice sounded above his head. He wanted to speak but could only cry out. He stretched out his hand and looked -
Ah? Am I getting smaller? ! Or am I traveling through time? ! …