Tatsuma raised his hand and snapped his fingers, summoning a large magic circle on the ground.
"Follow me, I'll take you to my place."
"Understood."
Sayaka responded immediately, watching Tatsuma disappear into the teleportation array.
After that, she let out a sigh of relief and turned to look at her roommate behind her. "Yukina, are you alright?"
"...I'm fine, let's follow."
"Mm, stand behind me."
Sayaka nodded slightly, led Yukina into the magic circle, and was teleported into an unfamiliar room located underground.
Not far away, Tatsuma, who had returned a step earlier, greeted the two of them and took them upstairs.
"Tatsuma, you're back."
Rias, who happened to be walking down from the second floor, greeted him and looked at Sayaka and Yukina.
"These two are...?"
Tatsuma said, "The wives introduced to me by the Lion King Matchmaking Agency. I thought they were good, so I brought them back."
"???"
What nonsense is this?
Rias was stunned for a moment, but didn't continue to ask.
After a long time, she had gotten used to Tatsuma often bringing women back.
After a simple exchange with Sayaka and Yukina to understand their personalities, Rias looked at Tatsuma and talked about the good news she had just received.
"Sona's engagement has been successfully dissolved."
Tatsuma was a little shocked. "It ended so quickly?"
Rias nodded. "Mm, they say the strength difference was too great. Her fiancé collapsed and surrendered during the seventh game of chess."
"Not bad."
Tatsuma felt greatly relieved.
Previously, he had personally entered the game, winning a hundred consecutive matches to guide Sona on how to break through the enemy's mental defense line.
Now it seems that Sona had learned seventy percent of his mental attack tactics and hadn't failed to live up to his efforts.
Rias said, "Sona said she'll be back tomorrow. I'm planning to buy some gifts to give her tomorrow. Do you want to come along?"
Tatsuma shook his head. "No, I still have things to do."
"Then I'll see you tonight."
Rias pushed open the entrance door and left.
On the other side, Tatsuma came to the left side of the second floor and found a room for Yukina and Sayaka respectively. After that, he simply instructed them on some precautions and turned around, disappearing.
"So big!"
Yukina looked around the room.
Compared to the Lion King Agency's dormitory, the room Tatsuma had prepared for her was several times larger.
Since she had consciousness, this was the first time she had lived in such a large room.
"Sayaka, I feel like we don't need separate rooms at all. One room is enough."
"...Mm."
"Sayaka?"
Seeing Sayaka's somewhat slow reaction, Yukina realized something was off.
"What's wrong? Are you not feeling well?"
"No, just thinking about some things."
Sayaka looked towards the door.
After a moment of silence, she temporarily bid farewell to Yukina on the pretext of packing her luggage and went to the fourth floor of the villa.
The fourth floor was different from the floors below, it was a single large level with many luxurious decorations.
Tatsuma, who had just separated from them, was currently exercising among a pile of equipment.
"Is there something you need?" Tatsuma stopped his movements and asked.
"...Tatsuma-san, I hope you won't make a move on Yukina."
Sayaka hesitated for a moment, then reached out and pulled open her collar.
"I know this might be overstepping, but I am willing to fulfill all your requests."
"Everything? That's interesting." A playful smile appeared on Tatsuma's face.
Taking out his phone from his pocket, he raised his hand and tapped on it a few times, then handed it to Sayaka.
"If you can prove this conjecture within an hour, I'll believe you weren't bragging."
"???"
This plot development was a bit different from what she had expected.
Sayaka was stunned for a moment, took the phone, and looked at the two large characters on it.
Riemann Hypothesis.
...
Facts prove that people can do many things when extremely angry, but mathematics is not one of them.
After completing the training with a hundred times the gravity, Tatsuma dropped the equipment in his hand and walked in front of Sayaka.
"Did you prove it?"
"...Not yet."
Sayaka put down the paper and pen in her hand, a look of pain on her face.
"Can we change the condition? This is too difficult."
Tatsuma nodded. "Of course we can. I'm a very easy person to talk to."
"You don't need to prove the Riemann Hypothesis anymore, go prove the Hodge Conjecture."
"???"
What's the difference!
Sayaka took a deep breath, feeling her blood pressure surge.
"It seems you can't do it."
"...I can't do it."
"So weak."
"Your request is too strange!"
Sayaka finally couldn't hold back, slapped the table, and stood up.
"I just don't want you to touch Yukina! Can't you just cooperate a little and use me as a substitute!"
Tatsuma asked, "Oh? Is that what you mean?"
"Stop it, you clearly knew already and have been playing dumb the whole time."
"Because your reaction was very interesting."
Tatsuma chuckled softly, and a rope of demonic power shot out from his finger, binding Sayaka.
Suspended in mid-air, Sayaka let out a cry of surprise, her cheeks flushed red.
"You... what are you suddenly doing!"
"Of course, fulfilling your request."
Tatsuma injected a trace of fusion energy into Sayaka's body and activated Senjutsu to adjust her body's sensitivity.
"I don't dislike adding some excitement to life. Since you want to play, I'll play with you."