Ura Dainiji Nyuugakushiken Lanimation

Sixteen-year-old Hikari Sakuragi had always been able to see things others couldn’t—ghostly layers overlapping reality, like transparent film stuck over her eyes. She thought it was a defect.

Then, the black envelope arrived.

Inside: a single sheet of blank paper. When she touched it, words burned into the page:

“You are invited to the Lamination Trial. Enter the Mirror Gate at 11:11 PM. Bring nothing. Forget everything you know about ‘one truth.’” ura dainiji nyuugakushiken lanimation

Below, a small symbol: three overlapping circles, each slightly transparent.

L’Animation is set in a near-future Tokyo where national university admissions are dominated by a single standardized test: the Kōjin Shiken (Public Exam). Protagonist Aoki Hikaru, a diligent but unremarkable student, unexpectedly passes the first round but is secretly invited to the Ura Dainiji Nyuugakushiken. This exam is not listed in any official brochure; candidates are chosen based on behavioral data, psychological profiles, and family background.

The hidden exam unfolds over seven days in an isolated facility, testing problem-solving, emotional endurance, and moral compromise. By framing the hidden exam as the “real” selection mechanism, the anime suggests that official exams are a facade for a deeper system of social sorting. Sixteen-year-old Hikari Sakuragi had always been able to

L’Animation can be read as a response to earlier exam-critique anime such as The Promised Neverland (intelligence tests as survival) and Kakegurui (compulsive gambling as academic ranking). However, Ura Dainiji Nyuugakushiken distinguishes itself by focusing on hidden exams—tests the subject does not know they are taking. This resonates with Japanese discourse on ura-baito (underground part-time jobs) and ura-sainō (hidden talents assessed by corporations through personality tests disguised as games).

Real-world parallels include the Tokubetsu Senbatsu (Special Selection) for certain Japanese high schools, which uses non-academic criteria, and corporate assessment centers that simulate group tasks. The anime exaggerates these into a dystopian ritual, but the core critique remains: institutions often measure compliance and trauma history more than ability.

Ura Dainiji Nyuugakushiken is an adult OVA produced by Studio 1st and MS Pictures, released on May 5, 2017, based on the manga by artist Migumigu. It features a digital animation style within the academic-themed "entrance exam" genre common in late-2010s adult media. Information regarding this production can be found on adult-oriented databases. “You are invited to the Lamination Trial

The phrase "Ura Dainiji Nyuugakushiken" (裏第二次入学試験) translates to "The Shadow/Hidden Second Entrance Exam." This is not a standard real-world academic term. Instead, it is almost certainly a reference to the plot of the popular anime and light novel series "Classroom of the Elite" (Yōkoso Jitsuryoku Shijō Shugi no Kyōshitsu e).

Here is a helpful blog post breaking down this concept, why it matters in the anime, and the themes it represents.