After We Swapped Ages, My Little Sister Became My Big Sister

After we swapped ages, my little sister became my big sister

"Mom! Chen Yang's bullying me again!" Seven-year-old Chen Yu came running from the living room, her little face streaked with tears. Li Chunlei set down the cleaver in her hand and wiped her hands on her apron. This was the third time she'd heard the same complaint this week, and a wave of exhaustion washed over her.

"Yangyang, why is Xiaoyu crying?" she called upstairs.

"How should I know? I didn't do anything," Chen Yang's impatient voice drifted down from the second floor.

"Really? Get down here right now!" Li Chunlei raised her voice. Heavy footsteps sounded upstairs