It was because he had used Teleportation to find Arisu Sakayanagi. As long as she was not asleep, she would definitely be able to see him.
"I'm Houtarou Oreki," Oreki said. "I came specifically to cure your heart disease."
He said it as though he were telling the truth.
And it really was the truth.
"Oh?" Sakayanagi blinked lightly.
He did not know whether she believed him.
But she probably did not. Still, despite witnessing someone appear out of nowhere, she had not immediately called for the adults. That was rather adorable.
"Then, Big Brother, give me a demonstration," Sakayanagi Arisu said.
Hmm.
As expected of his wife. She was quite clever.
After all, if he did nothing to prove it, she would definitely start shouting soon enough.
So, she was testing him.
As for curing her heart disease, that was probably impossible for now.
The current Sakayanagi was already using a cane, meaning she had likely suffered from heart disease for several years.
Even though Oreki's Restoration Ability had improved, it could only restore problems from within the past two weeks.
Thus, the real treatment plan was to use Teleportation to travel back to within two weeks of Sakayanagi's Mother becoming pregnant with Arisu.
He would deal with her physical illness at its source.
But—
"...You're hurt?" Oreki noticed her left knee.
She wore a little princess dress paired with white stockings.
However, the white stocking around her left knee was stained with gray sand.
Judging from the stocking, the skin beneath seemed scraped as well, with a faint tinge of blood.
"This?" Sakayanagi said. "I lost my balance while walking with my cane just now, so I fell."
"My body is weak. I must have walked a little too fast after all."
Was that so?
Only then did