Because there's still the "unknown difficulty plot" to face later.
Leonard Churchill and Miss Rita exchange a glance. He knows that the clever Miss Rita has guessed his intentions.
But as they're in such a critical condition, there's no fun if they don't take some gambles.
Leonard Churchill takes a sideways look at her and suggests, "Let's make the upcoming challenge a bit more thrilling."
Seven Brown immediately agrees, "Sure."
She is no longer as timid as when she first stepped into the alternate dimension.
Now, her heart is filled with anticipation and a restless desire to take on high-difficulty stories.
Thinking about the unknown challenge ahead, certain instincts in her soul stir up.
She suddenly feels that even if she died alongside this guy, what would it matter?
They look at each other and smile confidently.
...
Churchill starts to look at the others in the Safe House.