A few years after the previous chapter, Roku is slightly more grown up, Ishi is now a teenager, and stuff isn't going too good for the two of them. Here's how:

Roku suddenly got waken up by a kick in the head by ... Jerald.
"OW! THE HECK WAS THAT FOR?!-" Roku screamed in pain.

"... Mom told us to get food." Jerald spoke calmly, as they walked out of Roku's "room".

Roku grunted, as they stood up. Looking around them, there were multiple carvings on the walls that resembled drawings, and the room was incredibly dirtier compared to the other ones.

The kid grumbled, as they stood up, and walked out of their room, and saw the utter chaos that was happening in the kitchen: Sanban and Sebun were fist-fighting, Ishi ate her food in the corner, and Jerald just watched everything in the opposite corner.

 Roku sat down on their chair, as their mother yelled:
"FOOD'S COMING! PREPARE YA PLATES!" - As she slammed her fist onto the table, as food got sent mid-air, as as she punched it all over to the table.

The moment the food got nearby, the children went rampant, Sanban and Sebun actually helped each other, Jerald almost committed cannibalism on the corner, and Roku was just in the middle taking random projectiles to the face, while trying to eat a small piece of steak.

"GIVE US THE FOOD!" Sebun suddenly jumped down into the table, running towards Roku.
"YEAH! GIVE US THE FOOD!" Sanban was being carried by Sebun, before being thrown towards the piece of steak.

Roku screamed, as they curled around the piece of steak wimply, while Sanban was sent over at Mach 5 speed with her mouth wide-open, as she now took a chomp of Roku's back.

"OW- THAT HURT!" Roku yelled, crying a bit.
"WELL DUH! THAT'S THE POINT!" Sanban said, with her voice a bit muffled from being mid-chomp.

"MOOOOOM-" Roku screamed, sobbing, before Ishi suddenly jumped up into the table, and held a stone knife to Sanban's neck.

"Stop." Ishi said calmly, as Sanban and Sebun just walked away for a few seconds... And then continued tormenting Roku.

After a few more minutes of Sebun and Sanban bullying Roku, Ishi sighed, and walked up to their mother: "Ugh, mom, mind telling Sebun and Sanban to stop? They're starting to get on my nerves too..." Ishi asked, before their mother turned, and spoke:

"Oh, they're just playing." The mother grinned, taking pleasure of seeing the crimes against humanity being committed on top of the kitchen table.

"... OI! ROKU!" Ishi, tired of all of this, decided to call Roku to do something so that she couldn't get to see him getting absolutely mauled by their brothers.

"What is it, Ishi-" Roku asked, before getting pulled over by Ishi.

"We're going outside, to do uh... Learning stuff." Ishi made up a excuse on the spot, as they now dragged Roku like a sack of potatoes.

Ishi dragged him out of their house, and just wandered over to a isolated part of the town.
"Ow- Ouch, Ouwie-" Roku got hurt by some small rocks on the ground on the way there, but was soon placed into a boulder, as Ishi crouched down to their size, and stared at him.

She sighed, before speaking: "Look, I'll be completely honest, out of all of those losers, you're probably the biggest WIMP out of them."

"Yeah... I know." Roku looked to the side.

"Like, you're so wimpy, it actually makes me feel sad, SO LISTEN UP!" Roku got startled by the sudden screaming.

"We'll do some cold, hard training, to make you STRONG!" Roku looked over, inspired.

"YEAH! I WANNA BE STRONG!" Roku made a flex pose, grinning.

Ishi smiled a bit from seeing this, but quickly reverted back to their cold stare.
"... Hmph. Alright, here's ya first test." Ishi lifted up a rock with a single hand, grinning.
"Ya gotta lift this rock above ya head, got it?"

"GOT IT!" Roku screamed confidently, grinning.

Ishi dropped the rock, as Roku immediately ran over to try and lift it.

...
Not so surprisingly, he couldn't lift it up.

"GH- I CAN DO IT, I CAN DO IT!-" Roku struggled, before inevitably falling down, and crying.

Ishi glared down at Roku with a look of pity.

"WHYYYYYY-" Roku screamed, sobbing loudly.

"... Look, ya know what?" Ishi crouched down, and lifted Roku up by the scruff.
"I'll give ya another chance, no, two." She held up two fingers, as they now placed Roku down.

"B-But, I should have lifted it up by the first time..." Roku spoke, crying less than before.

"Well, ya wanna know one thing? When I was ya age, I couldn't hold a knife correctly, so I always cutted my hand." Ishi said, as Roku snickered.

"Heh... That sounds pretty stupid." Roku made a smug grin, as they stopped crying.

"So yeah, even ya big sis had a bit of problems when she was... You-sized." She pointed at Roku.

"Wait, really?" Roku tilted their head, they couldn't process the fact their sister could have a problem just like them, even if it was back then.

"Yeah, everyone has a few loose screws on their head, no one's perfect. Even though mother wishes it was otherwise." Ishi spoke, looking to the side.

"Oh... In my case, I guess I got all my screws loose... Hah." Roku chuckled a bit.

"Well, LET'S TIGHTEN THEM UP!" Ishi lifted Roku up, grinning confidently.

"YEAH!" Roku smiled.

The two soon began training, as Ishi gave some sticks for Roku to lift.

... Roku had a bit of difficulty, but soon enough began lifting the sticks well.

"HAHA! TAKE THAT, LORD STICK!" Roku threw the stick down, making a flex pose.

Ishi looked at this, as she now handed Roku some slightly heavy leather bags.

"Huh? What's this?" Roku pointed inside the bag, before Ishi weakly slapped Roku's hand out of it.

"What's inside the bag is not important, the real thing is that you gotta LIFT IT! LIKE THIS!" Ishi now took the bags, and began lifting them up incredibly easily.

"Ooh... Oki." Roku took the bags, as they now emptied them, and began lifting the empty bags easily.

"wait, that's not how you do that-" Ishi took back the bags, and filled them with some pebbles nearby.

"Clever, but this ain't head training, this is MUSCLE training." They now dropped the bags on the ground, as Roku nodded.

Roku now lifted up the pebble filled bags, as they tried raising it higher, before accidentally crushing their fingers beneath it.

"OW-" Roku jumped back, yelping.

"... Hm, try lifting just one of them." Ishi lifted up one of the bags, and placed it behind Roku.

"B-BUT, MY FINGIES-" Roku stared at their fingers. Before Ishi tapped Roku's shoulder, and shared some matter with them.

Slowly, Roku's fingers regenerated, as he looked at Ishi, confused.

"Eh? Why it regenerate quicker than usual?" Roku pointed at their hand, and tilted their head.

"Hm, that's just a tactic I learned in the woods."

"I WANNA LEARN IT TOO!-" Roku yelled, before being interrupted by Ishi.

"Now that you're healed up, try lifting again." Ishi pointed at the bag, as she sat down on a boulder, and watched.

A few hours pass, and (not so) soon enough, Roku succesfully lifted one of the bags, smiling.

"YESSS! I DID IT! I DID IT!" Roku jumped and ran around, before tripping down, and falling headfirst into the ground.

"Ow- Still did it though-" Roku stood up, as Ishi clapped slowly while watching.

"Congratulations, now you have the strength of a mobian child." Ishi made a smug grin.

"EY! I'LL GET EVEN STRONGER THEN!" Roku pointed at Ishi, as they spoke in a confident tone, and immediately began training again. 

Ishi soon walked away, confident enough he was going to get out of the woods himself.

Roku heard her footsteps, but it was too late, as she was out of reach.

"Uh, Ishi? Where are ya?" Roku looked around, confused.

"Is this a prank?" Roku tilted their head.

Roku was met with silence, merely the cold gushes of wind of the dead flora.
"... Aw man." Roku sat down. As they patiently waited for Ishi to come back.

Soon, hunger started to settle, as they dragged the bags of pebbles, and screamed:
"YOU CAN COME OUT NOW! IT'S FUNNY! I GET IT!" Roku dragged the two bags with some difficulty.

"I DON'T WANNA EAT ROCKS OUT HERE! IT'S SCARY!" Roku continued screaming.

Silence.

"..." Roku fell down on the ground, and just began sobbing.
The only thing near him was the cold wind.