"Thank you, Berserker."
After soothing Sakura Matou and putting her to sleep again, Kariya Matou stepped out of the bedroom and thanked Ailin once more.
"It's nothing. I couldn't stand seeing what that child had gone through either."
"Heh..."
"Hiss..."
Kariya Matou had just been about to say something when the Crest Worms within him suddenly went berserk. He let out a muffled groan, cold sweat pouring down his face from the pain.
Yet, afraid that his screams would wake Sakura—or even frighten her—Kariya Matou bit down so hard that his teeth drew blood, refusing to make a sound.
Several minutes later, after devouring enough of Kariya Matou's flesh and blood, the Crest Worms finally settled down.
Kariya Matou went limp, slowly sliding down the wall as he gasped for breath.
Seeing Kariya Matou in such a state, Ailin let out a sigh.
"Kariya, your physical condition is very poor."
"That's why I didn't draw upon your mana when I fought Gilgamesh earlier."
"Otherwise, even if the Crest Worms consumed every last bit of your flesh, it still wouldn't have been enough to support my battle against that man."
"Sorry for making a fool of myself, Berserker."
Kariya Matou gave Ailin a helpless, bitter smile. "After summoning you, I thought I could become the victor of this Holy Grail War and make a wish so that Aoi, Rin, and Sakura could all find happiness."
"But now, it seems I've become a burden to you instead."
"With your strength, Berserker, if you had a more capable Master, you could probably defeat every Servant in a single night and become the final victor."
"No, you're wrong, Kariya."
Hearing Kariya Matou mock himself, Ailin shook his head. "There is compatibility between Servants and Masters as well."
"It was precisely because we were highly