Mr Gu's First Doting Marriage - Chapter 13 - : The Trouble of A University, Gu Zhaohan

Florentia was reincarnated as the illegitimate child of the richest family in the empire.

In the year 1368, at the end of July, deep crimson shall descend from the heavens.

- Description from Novelupdates

At 79, Adom is an old mage who has known nothing but illness and regret. When the world finally burns and all hope turns to ash, at the last beat of his fading heart, a mysterious being appears in the dimming light with a simple question:“If you could try again, would you?”What's left to lose when you've already lost everything?A handshake seals the deal, and Adom wakes up on his old school grounds, sixty-seven years in the past. When everything is still possible. A second chance with all his knowledge intact, his memories preserved, and his youth restored.This time, Adom wants it all: to feast on food he's never had, to travel a world still full of wonder, to finally live the life he dreamed of. There's just, as always, one small catch—he needs to prevent the end of the world first.But as Adom will soon discover, changing history might demand sacrifices even greater than watching it burn...

To Producers, the two of them couldn’t be more drastically different voice actors.