Yukihei walked to the bathtub and gave instructions to the auxiliary brain in his heart: "Second brain, start the mechanical mental mode." As the auxiliary brain operated, Yukihei's expression suddenly became cold, and the turbulent emotions in his heart were quickly suppressed by the mechanical mental thinking mode. Under this mode, Yukihei has entered a thinking mode that is absolutely rational like a mechanical one.

Yukihei raised a finger and put it into the bathtub. When his fingers touched the water surface, a gray-black substance suddenly became stained from his fingertips into the water, like a thick ink. The gray-black substance quickly spread in the water, dyeing the water in the entire bathtub gray-black. The gray-black water dyed with a metallic luster, looking viscous and sticky.

Nana Hashimoto's body soaked in the water was quickly wrapped in this gray-black substance, and floated from the water and floated on the water surface. Her long hair that was originally scattered in the water floated strangely on the water surface, without any moist feeling on it, as if these gray-black substances completely isolated the water from Nana Hashimoto's hair.

The gray-black substance is the nanoworm swarm controlled by Yukihiro. These terrifying microscopic mechanical bodies can decompose matter from the atomic level, such as water. With these nanoworm swarms, they can turn water molecules into hydrogen atoms and oxygen atoms. As long as these nanoworm swarms are present, Yukihiro will never have any raw materials to make various things, and these nanoworm swarms can also process the matter at atomic level. Such processing accuracy is enough to create anything Yukihiro wants.

The only thing that restricts Yukihito's use of the nanoswarm swarm is the mental power he uses to manipulate these small things. Some simple manipulations can still be done through the auxiliary brain, so there is no burden, but if Yukihito really intends to decompose or process matter from the atomic level, it will require extremely huge mental power as support.

Originally, in infinite space, Yukihide had enough mental power to support him in controlling these nanoworm swarms through redemption and accumulation in the mission world. However, when he fell into this world, the turbulence of time and space restored Yukihide to a baby state. All the redemption and abilities he obtained in infinite space were restored to the initial state, and his huge mental power was also lost.

Although Yukihei has slowly recovered his strength through various spare materials stored in quantum space over the past decade, his current strength is still far from his heyday. However, even so, Yukihei now has the strength to protect his sister and family.

Under Yukihiro's control, the nanoworm swarm quickly combed Hashimoto's long hair neatly, and then turned into a black hairpin to tie her long hair behind her head. At the same time, these gray-black nanoworms quickly formed a black nanosuit on the surface of Hashimoto's body.

Seeing that Nana Hashimoto was wrapped in nanosuits, Yukihei rolled up his sleeves, picked up his sister from the bathtub, and walked out of the bathroom. He carried Nana Hashimoto to the bedroom, Yukihei gently placed her on the bed, and then closed her mechanical mind.

Yukihei, who had returned to normal thinking, gently pushed Nanami Hashimoto's shoulder and wanted to wake her up, but found that Nanami Hashimoto didn't know if it was because she was too tired today. Nanami Hashimoto was asleep and not woken up. Seeing this, Yukihei could only sigh and give up the idea of ​​waking up his sister.

Yukihei took a yukata provided by the hotel and put it on Nanami Hashimoto. Then Yukihei put his sleeping sister on the bed and covered her with a quilt. Finally, Yukihei put his finger on the nanosuit exposed between Nanami Hashimoto's neck, and then took back the nanoworms that formed the nanosuit on Nanami Hashimoto's body, revealing Nanami Hashimoto's original skin.

After retracting the nanoworm swarm, Yukihira's fingers stayed between Hashimoto's fair neck for a while. The skin touched by his fingertips gave Yukihira a soft touch, making his fingertips reluctant to leave Hashimoto's skin just like that. But Yukihira still raised his hand, stared at his sister for a while before walking towards the bathroom, planning to take a shower.

When Yukihei walked into the bathroom, she was lying on the bed and was supposed to be asleep. Nanami Hashimoto suddenly opened her eyes and looked at the bathroom with a strange sense of meaning. Nanami Hashimoto was indeed asleep just now, but when Yukihei picked her up from the bathtub, she woke up. She was just because her brother saw her body and didn't know what attitude to face it, so she kept pretending to sleep until Yukihei went to take a shower.

Nana Hashimoto raised his hand and stroked the place where Yukihide's finger was just now. A red glow flew on his face. At this time, Nana Hashimoto realized that his younger brother had grown up and would have an impulse towards his sister's body. Nana Hashimoto was not angry about the thoughts Yukihide had just been about him. On the contrary, Nana Hashimoto's heart was only the shyness and a hint of sweetness that his body was seen by his younger brother. Perhaps even Nana Hashimoto himself did not expect that in her heart, because she knew the secret about her younger brother today, her feelings for Yukihide had quietly changed.

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When the sun shone through the window into the luxurious suite where Yukihei and Nana Hashimoto were located in the Imperial Hotel Tokyo, Nana Hashimoto slowly woke up under the sunshine.

Nana Hashimoto, who opened her eyes, got up from the bed and looked at the other side where her brother slept last night. There was only the lifted quilt on the bed, but there was no more Yukihira. Nana Hashimoto reached out and was about to tidy up her hair, but she touched the hairpin used to fix her hair. At this time, she found that since last night, her hair had been wrapped behind her head and was not scattered.

Nana Hashimoto, who smiled slightly, got up from the bed and tidied up the tunics of her yukata. Looking at her chest that was exposed because the tunics were spread out, Nana Hashimoto's face suddenly turned red. Obviously, she remembered what Yukihide saw last night. Thinking of her younger brother, Nana Hashimoto shouted almost instinctively: "Yukihide!"

"I'm in the living room. Sister, please come out for breakfast after washing up!" Yukihito's voice came in from outside the bedroom door. Because it was a luxurious suite, in addition to the bedroom with two beds, there was also a living room. Yukihito was eating breakfast in the living room at this time.

Hearing Yukihei's voice, Nana Hashimoto was not relieved, and then walked into the bathroom and started washing.

When Nana Hashimoto, who had finished washing and changing her clothes, arrived at the living room, there were two breakfasts on the table, and one of the meals from Yukihide had almost finished. Nana Hashimoto sat on the chair and started eating breakfast, while saying to Yukihide: "Yukihide, my sister has already thought about it. Since you don't need your sister to give up on college, then my sister will continue her studies. After all, going to college and then getting the opportunity to go abroad is also my sister's ideal. But I still won't go back to Asahikawa with you. I want to stay in Tokyo for the period before school starts and try to live in Tokyo by relying on myself."

"Sister, do you want to stay in Tokyo?" Yukihei looked up at his sister. Today, Nana Hashimoto was wearing glasses, and her hair was still the hairstyle that Yukihei had tied up for her last night. Although her face was bare-faced, it was a unique charm. It seemed that it was because she had just washed her face. Her cheeks were a little rosy, and she was looking at her younger brother seriously. Seeing Nana Hashimoto looking at her with a serious look, Yukihei's attitude became serious, and asked Nana Hashimoto: "Sister, why do you have this kind of thought? If you stay in Tokyo, can you live alone? What is your source of life? Where do you want to live? Have you considered all these?"

"I have already thought about it. I plan to go to work first to see if there is a suitable job, and then rent a house." Nana Hashimoto seemed to have considered it and explained his plan to Yukihei: "When the university starts, my sister will have a living place and work, so that I can study while studying, which will increase my knowledge and exercise my ability to live." Nana Hashimoto said this, as if she was afraid that Yukihei would stop her, and added: "Although I can ask my father and mother for living expenses, I still want to try to rely on myself instead of them."

"In this case, I'll stay in Tokyo with my sister." Yukihei looked at Nanami Hashimoto and saw that she had made a decision, so he said to her: "Sister, don't be too busy to refuse, don't forget, sister, you want me to take the Tokyo University in Tokyo, if you want to go to the entrance exam, I will stay in Tokyo for at least a while. Since you plan to stay in Tokyo, I'll live with you, and this way, the rent will be cheaper and it can relieve your pressure on you."

"But in this case, what should I do with your job? Are you not the technical director of the HM Research Center?" Nana Hashimoto didn't seem to want his younger brother to stay in Tokyo with him, and asked him with concern.
Chapter completed!