Tenchi Muyou! Manatsu no Eve

The Masaki household is thrown into complete turmoil when a mysterious young girl named Mayuka suddenly arrives, declaring herself to be Tenchi's daughter. While the girls attempt to adjust to this unexpected newcomer, Washu works diligently to uncover the truth behind Mayuka's origins. However, the consequences of her appearance trace back into the past, placing Tenchi in grave danger. To set things right, Tenchi and Ryoko are forced to venture into the realm of a malicious demon named Yuzuha, embarking on a perilous and difficult journey.