The Greater the Mass, the Greater the Gravity

After dinner, Kitagawa Kai headed straight to Himeno Yuki's bedroom.

"Kai-kun? Why were you in such a hurry to see me?"

"Give me your left hand."

A trace of suspicion flickered in Himeno Yuki's eyes, but she obediently held out her hand.

Kitagawa Kai took out the delicate Transformation Ring and gently slipped it onto the ring finger of her left hand.

"Sorry, Yuki. Things had been piling up lately, and I actually forgot something this important."

"Everyone else has one. Once you wear this ring, Yuki will belong only to me from now on."

Himeno Yuki raised her slender hand and examined it carefully beneath the light. Her reaction was almost too calm.

"Oh. Got it."

"...That's all?" Kitagawa Kai was taken aback.

"What else? Did you want me to burst into tears of gratitude?"

"Fine. It's getting late. Get ready—we still have to go to the library for self-study tonight."

Kitagawa Kai shook his head helplessly and was about to turn away when Himeno Yuki wrapped her arms around his waist from behind.

"Where do you think you're running off to?"

Kitagawa Kai cooperatively stopped.

She buried her burning cheeks deep against the boy's back and muttered, "I... I just didn't want to look too excited, so Kai-kun wouldn't secretly laugh at me in his heart again."

Himeno Yuki released him, stepped around to his front, and proudly held the hand wearing the ring right before his eyes.

"Now I permit you to praise me properly."

Kitagawa Kai laughed and pulled her into his arms.

"The ring is beautiful, but my Yuki is even more beautiful."

"That was so perfunctory. There's no sincerity at all! Say it ten more times."

Saturday afternoon.

Library.

The placement test had come to an end. After handing in their papers, the