Yatterman Night anime
Several generations after the First Yatterman Collection, Leopard Resides with her Mum and guardians, Dorothy, Voltkatze, and Elephantus, Only out the Booming Yatter Kingdom. She lives a joyful if impoverished life, oblivious of her ties to the notorious Doronbow Gang, till she finds that a mural of Doronjo, Boyacky, and Tonzura at a sealed off part of her property. It ends up that Dorothy, Voltkatze, and Elephantus are descendants of those villainous gangsters, which explains the reason why they’ve been banned from going into the hero Yatterman’s Kingdom!Initially, Leopard promises never to take part in villainous activities like her ancestors, but fresh conditions may indicate that she must return on her word, minding the identity of protagonist in pursuit of justice.