Author's note: Short chapter, I translated it all this morning while eating breakfast. Hope you'll like it! The next one is on its way, I'm translating it right now.

Thank you for reading and for your support, it means a lot!

oOo

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"Hey, look... that blond guy over there… he's got metallic arms!"

"Have you seen his eyes? They're so weird…"

"I've never seen this before. Maybe it's a disguise? But comic con is over already…"

"Wait, I recognize him, he's a hero!"

"Seriously? A hero? Kyaaah! It's the first time I see one for real!"

"Hey, isn't that the new S class? You know, the 19 years old prodigy who got admitted directly on top of the ranking! Everyone was talking about it on the internet after the last admission exam!"

"Nooo! Can't be!"

"Yes! It's him! I recognize him now!"

"Oh, it's the cyborg prince! He's so mysterious and he refuses to answer interviews or be on television! I think it's so classy!"

"My wife is a fan of his!"

"Oh my god! He's the hero who saved my son a month ago! I sent him a thank you letter!"

"You think we could ask him an autograph?"

"Wait, I'm going to take a picture of him…"

"My friends are gonna be so jealous when I tell them tomorrow!"

"He's even more handsome in real life!"

"Ahhh! He looked this way!"

"Shhh, quiet! He might hear us!"

"But why would a S class hero be here, in this ordinary supermarket?"

"He stayed humble and close to common people, not like the other S class we never get to see!"

"Maybe there was a monster's attack in the area?"

"Should we try to talk to him?"

"Kyaaaah no, I'm too shy! You do it!"

The whispering increased in the several queues lining up before the checkouts, covering the bipping sounds of the code readers. All eyes were turned towards the cyborg waiting in line. He finally arrived and, with dignity, dropped in front of the petrified cashier two huge packs of toilet paper. Sixty rolls, double ply, extra soft, printed flowers patterns.

The cashier scanned the items and stammered her ready-made phrases to announce the price reduction on this special offer. Her hands were shaking so hard she had trouble counting the coins and giving him his change. Stoic, The cyborg stared down at her, his eyes cold enough to freeze an active volcano. He thanked her with a short nod and loaded the toilet paper under his arms. Seeing his hard face and intense eyes, no one among the clients gathered around him dared approach him. They had to settle for taking pictures and videos of him leaving, commenting animatedly what just happened.

Involuntary, Genos just won hundreds of new fans, just by doing grocery shopping in a supermarket of C city.

It took him about half an hour to get back to Z city, running as fast as he could and jumping from roof to roof with his precious purchase. When he opened the apartment door and announced out loud his return, he feared he was too late.

"Ah, Genos!" Saitama called from the bathroom. "Did you find it?"

Arms holding the packs, the cyborg pushed opened the door with his shoulder. His teacher was there, sitting on the toilet with his pajama's pants down to his ankles and a manga in his hands. He didn't move at all since Genos left the apartment in a hurry.

"Yes. There was an important special offer on toilet paper in the Ultra Price from C city. Double ply, extra soft and absorbent. According to online consumers' reviews, its quality is much better and less chaffing for your skin that the one you use to buy. I thought you might appreciate it. I am sorry I kept you waiting."

Dumbfounded, Saitama blinked when his disciple dropped down in front of him the sixty rolls of packed toilet paper.

"Ah. That's why it took you so long? I was starting to wonder if a monster jumped you on the way. You know, Genos, I just wanted a roll from the corner store, you didn't have to go fetch some luxury toilet paper from another city…"

"Nothing is too good for you, sensei. As your disciple, it's the least I can do."

Saitama put his manga aside and tore off a length of paper with a tired sigh.

"And now you're being weird again. Thanks anyway, you're saving my life."

Genos' face lit up with a satisfied smile and he got out of the bathroom to let his teacher wipe himself privately. He sat down seiza-style at the table in the living room. His notebook n°3789 was opened just as he left it, with the mark his pen did when he stopped writing and rushed to help Saitama who was calling from the WC because there was no toilet paper left. Since they got back from their short stay in D city at Saitama-sensei's official tailor, Genos had been so engrossed in creating an infallible plan to make his teacher happy, that he forgot to buy some basic hygiene products he didn't need himself. He had no digestive system – his stomach incinerated everything he ate, so he had nothing to evacuate. He hoped that buying high quality toilet paper rolls for such a low price would be enough to make up for his negligence.

As usual, he scrupulously wrote down Saitama's digestive process' stages in his mensual statistics. Then, he frowned and turned back a few pages to inspect the new graph he made to record the exact number of his teacher's smiles every day. This last few days, Saitama smiled on average 2.174 times a day, with a 27% margin of error, considering it was sometimes hard to tell for sure if he was smiling or not. In particular when he had his back turned on him, or when Genos didn't have him in his direct sightline.

Bringing him toilet paper didn't make him smile, by the way. Genos wrote down his failure, then let out a frustrated sigh, melodramatically grabbing with both hands his synthetic hair.

His plan wasn't working. The average number of smiles was way too low and nothing he did seemed to raise the graph's curve.

He tried everything, though. He wrote a list of everything Saitama-sensei liked, and made sure to bring him every one of those things. He gave him piles of special offers' flyers from miles around, cooked his favorite dishes everyday, rented at the video-club movies according to his tastes, bought him mangas with big breasted women in bikini on the cover. But Saitama's reaction was only to look confused and thank him, and sometimes give out a small forced smile. Genos even caught a stray cat to give it to him as a pet. But the terrified animal tore Genos' futon into pieces and urinated on Saitama's DVD player, so he gave up that idea and released it.

"Ah, I feel much better…" Saitama's voice sighed behind him.

Genos stayed focused on his notebook, the intensity of his glare nearly burning holes in his graph. Out of the corner of his eye, Saitama slouched down, using the fold futons to lean back against. The cyborg finally looked up when two bare feet crossed their ankles on the low table, offering him an unrestricted view of his sensei's feet soles.

Bare-chested and wearing only his pajama's pants, Saitama looked deeply bored and kept reading the manga he had with him in the bathroom. Genos stared at the wiggling toes, and automatically started drawing them on his notebook, thinking even harder. Maybe the reason he failed everything he tried until now was because he already did all of this – making food, housework, find him sales – since he moved in. If he wanted to find his teacher a new reason for living and help him be happy, he would have to get out of his comfort zone and try out new things.

"Sensei… this manga you are reading, what is it about?"

He wasn't a manga reader himself so he never thought about asking him about the stories he was reading all day long. He didn't even stop to read the summary of the ones he bought this week – he randomly picked those with sexy girls on the cover.

Maybe that was a good start – to take an interest to his teacher's passions.

Saitama blinked and glanced at him, face blank. Then he looked back at his manga and turned a page.

"Mh… It's about a high-schooler who's got some weird alien squatting his body but giving him extraordinary strength and magical powers in return. But if he tells anyone, the alien'll bail out and probably take his life at the same time. In my opinion, all that crap's linked to his missing father. But it's just the beginning, I dunno for sure. Right now, the guy's risking his life to protect some hot chick he's in love with and he wants to tell her the truth to impress her or something. Well, it's basic shônen, but it ain't bad."

"Can I read it too?"

"If you want, yeah."

No smile. Genos wrote down his failure in his notebook. Mangas didn't seem to fill him with enthusiasm, so it wasn't enough to become a new reason for living. His pen furiously scraped the paper as he wrote lines and lines until he came to a conclusion. He had to do more thorough research and maybe ask for advice.

With eyes burning with conviction, he looked up at the hero picking his nose while reading unenthusiastically his manga.

"Sensei. I'll make yakisobas tonight."

"Ah. Cool."