Tanaka ke, Tensei Suru.

The Tanaka family experiences a sudden death during an earthquake and is reborn together in a different world as the Stewart family. Their new identities include Kazushi and Yoriko Tanaka, now Leonard and Melsa Stewart, and their three adult children, now younger as George, Emma, and William. They adjust to their new lives while maintaining their original personalities and chaotic dynamics. The family engages with various aspects of high society, including social events, marriage offers, and fashion, while also encountering creatures like giant cats. Their story explores their interactions with this unfamiliar world and the challenges that come with it.