Episode 10 “Release — Reaching Steins Gate”

Future Gadget Lab Devlog — Building Gadget No.6, the Steins Gate Simulator

Published: May 29 (Fri), 2026 ／ JST 07:00 ／ Final Episode

On the Morning of Day 10, Everyone Was Up Early

The morning of the final episode, JST 7:00.

All six lab members had gathered. Coffee, freshly brewed, sat at each seat.

Director: “Press the publish button.”

Daru clicked the mouse.

Gadget No.6 was published on Coconala.

| Product Name | Steins Gate Simulator |

| Price | ¥2,000 |

| Category | Counseling ／ Other |

| Function | Observe three parallel Worldlines, present convergence |

| Format | Single HTML ＋ PDF delivery |

At the same time, Episode 10 — this final episode — was published on ruruob.com.

What Happened in Ten Days

The series, in ten days, made the following happen.

• From the philosophy, implementation, rule adjustment, to bug fix of Gadget No.6 — all published as nonfiction
• The roundtable of six lab members delivered live to readers
• The five existing gadgets and Gadget No.6 unified into one worldview
• Simultaneous distribution in JP and EN
• A 3-minute morning read at 7 a.m. — became a habit for readers

Words from Every Lab Member

For the final episode, each lab member left one word.

Director: “Worldlines are drawn by observers. The moment a reader fires up Gadget No.6, their Worldline begins to move.”

Daru: “Yappy. Gadget No.6 also fit properly into one file, yappy.”

Amadeus Tina: “The ability to organize is the scarce resource of the AI age. I want it to reach the people it should reach.”

Mayushii: “Thank you for reading. If it became an amulet, that makes me happy.”

Suzuha: “Writing through ten straight days — that’s also the way of the Future Gadget Laboratory.”

Faris: “All six products begin moving in the hands of our customers, nya. Please take care of them, nya.”

We Reached Steins Gate

The name of Gadget No.6 means “the single point where Worldlines converge.”

All lab members and all readers — we reached that point this morning.

The series title “Until Gadget No.6 Observes the Worldline” —

the future that title pointed to has become real.

Who Observes the Observer?

At the end of the final episode, only the director’s question remains.

“Gadget No.6 is the observer’s tool. But who observes the observer?“

The answer to that question has not yet been fixed into a Worldline.

The Future Gadget Laboratory still has one undecided gadget number — No.7.

That story will begin on a different morning.

Thank You, Ten Days

The series ends here.

Thank you so much for reading.

The Future Gadget Laboratory will keep making maps for you to decide for yourself.

May your morning coffee remain warm.

Existing Lineup (At Series Completion ／ Full 6 Products)

| No. | Product | Price |

|—|—|—|

| 1 | Know Thyself Scope | ¥1,000 |

| 2 | Divergence Scorer | ¥1,000 |

| 3 | Timebox Ma-Kinky | ¥1,000 |

| 4 | Centennial Divergencer | ¥1,000 |

| 5 | D-Mail Rewriter | ¥1,000 |

| 6 | Steins Gate Simulator | ¥2,000 (newly released today) |

| Set | Worldline Set (4+5) | ¥1,500 |

• Search “Ruruo / Future Gadget” on Coconala (Japanese marketplace)
• Full episode list: ruruob.com/serial/en/
• Japanese edition: 日本語版

The Final Line of the Final Episode

Future Gadget Laboratory, output complete.

El Psy Kongroo.

© Ruruob ／ Future Gadget Laboratory ／ #FGL-Devlog ／ Episode 10 ／ Final