"I've actually wanted to bathe with Saber for a long time!"
"I-I see."
"Yeah."
Irisviel moved closer to the somewhat stiff Saber.
"It's really nice bathing with another girl for the first time.
Though Saber might get angry if I say that...
But thanks to the Holy Grail War, I've been able to experience so many precious firsts."
Saber answered seriously, "I won't get angry. The time I've spent with Irisviel has also become a precious memory to me."
Irisviel said happily, "I'm so glad you feel that way~"
At that moment, Saber seemed to notice something and suddenly looked toward the bathhouse door.
"...Shirou?"
"What is it, Saber?"
"No, I think I just saw Shirou."
"Huh? Shirou came too?"
Irisviel infused magic into her eyes, but she saw no one at the bathhouse entrance.
"Shirou isn't there."
"Did I see wrong?"
Artoria furrowed her brows.
Seeing the blonde girl's reaction, Irisviel teased her with a mischievous smile. "Saber, don't tell me you want to bathe with Shirou?"
"...What!"
Artoria's face instantly flushed bright red.
"W-Why would I ever want that!
Although I'm quite different from the girls people usually know, even for Shirou's physical and mental health, I couldn't possibly let him bathe with me, could I?
What if that child had nightmares at night!"
"Why would he have nightmares?" the silver-haired homunculus asked, tilting her head.
"If a boy could bathe with such a cute girl as Saber, he'd only have exciting, heart-pounding dreams at night."
"Please stop teasing me, Irisviel."
I'm being serious, Irisviel thought gloomily.
Elsewhere.
Behind a Roman-style pillar in the corner of the bathhouse, a young man stood with a bath towel wrapped around his waist—
It was Shirou Amamiya, in stealth mode.
...This was bad!
Shirou inwardly cried out.
When Saber had suddenly