Sorry, Naruto, Shion is Your Sister

It was at this moment that Shimizu aptly proposed the technology for artificial test-tube fertilization.

The Fourth Hokage tried it and praised it highly.

Thus, Shimizu repeated the same procedure he had used on Kushina for Hyuga Hinazuki as well.

As for Hyuga Ginka, that was even simpler.

How could a mere Hyuga Nobuhiko, with his meager strength, possibly resist the overwhelming ocular power of Shimizu?

"Mmm... yes."

Hyuga Natsu replied with her mouth full, her words slurred as she swallowed her food.

When Uchiha Hikari finished her evening training with Guren outside the courtyard, she discovered that Shimizu and Hyuga Natsu were nowhere to be found.

From within Shimizu's room, faint sounds could be heard.

One could clearly distinguish the sternness in Shimizu's voice, as well as the joy in Hyuga Natsu's tone as she accepted his guidance.

"What... are they doing?"

Uchiha Hikari asked curiously.

"Hmm~ that is a matter between adults."

Guren looked Uchiha Hikari up and down, finding it impossible to tell her age.

But since she had been adopted by Lord Shimizu, she couldn't be very old.

"Has Lord Shimizu ever done such things to you?"

"Ahem, it happens when you're older."

Guren's gaze drifted unnaturally toward the room's door.

Could it be that Lord Shimizu prefers older women?

"I see."

Uchiha Hikari instinctively blushed, her face turning bright red.

"Lord Shimizu, when I grow up, will you do this with me too?"

Uchiha Hikari murmured to herself.

She did not resent Shimizu; on the contrary, she was somewhat impatient for it.

Without Shimizu, she would have long since remained in a pitch-black dungeon, treated as the ultimate weapon to be used against the Senju Clan.

Shimizu was the first ray of light to shine into her gray world.

Guren frowned slightly upon hearing