Fiancée and Stepmother?

"Let's go down to the lower deck; that's where we might find the people we're looking for!" Howard said.

"Alright, Master, please follow me!" Minako, taking small steps, led Howard to the passage leading to the lower deck.

The area was brightly lit, designed as a large shopping mall with various duty-free shops, offering a dazzling array of items.

Continuing through the mall, they approached the entertainment hall.

The lighting here dimmed significantly, and groups of zombies roamed aimlessly inside.

At the entrance, there were many gambling machines, their screens smeared with blood.

A few scantily clad strippers, women revealing their ample busts, limped along in high heels, moving slowly.

"It's somewhere in this corner!" Howard checked the map again to confirm their location.

Since the position on the map was an open space on the deck above, it had to be below, most likely on this floor.