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Nakazawa Ko

Nakazawa participated as director and producer of "Secret Game: Second Stage."

Additional information
Related worksSecret Game Second Stage
Secret Game Second Stage: Signature PostDirector and producer

Secret Game Second Stage: Director and Producer

In 'Secret Game: Second Stage,' Nakazawa was responsible for directing and producing.

The original script parallels the director's work

Nakazawa recalled that when writing the Common and Excellent Youth Stories, he simultaneously wrote specification documents, supervised overall production, and carried out quality control.

Never7 and his first original ADV directing work

Nakazawa looked back on Never7 as his first work as an original ADV director, and it was also his first joint project with Kotaro Uchikoshi, Tsuyoshi Abo, and producer Ichikawa. He first heard Yuka's themes and bright everyday themes, believing that these music made the still-still world flow and became an important part of the worldview of the work.

Ever17 original: CG framing and viewpoint confidentiality

Nakazawa recalled that CG naturally avoids the protagonist's face from the current point of view; Once a character enters the screen, their appearance information must be authentic for players to verify again.

Ever17 Original: Submit an additional epilogue

During production, Nakazawa suggested adding an epilogue that was not in the original outline, and Kotaro Uchikoshi completed it in about three days.

Unrealized suspense concepts

Produced 'Myself; Before 'Yourself,' Nakazawa proposed ideas for romance, suspense, and mystery to Sasaki. She felt his art style suited romance, so he chose romance projects first. After the game was completed, Nakazawa participated in the production of "Secret Game -KILLER QUEEN-" and was inspired by the doujin version "Killer Queen," bringing his previously unfulfilled suspense creation ambitions into "Root Double."

Screenwriter competitions are organized from submission samples

Nakazawa usually saves promising screenwriters' submissions, and when preparing 'Root Double,' he invited several people to participate in a short story contest, requiring characters to rise again from despair, with a reversal set at the end. Tsukishima's short stories are small but focused on content, and combined with previous submissions, Nakazawa invited him to write.

Foreshadowing explains the balance between rescue speed

In the early stages of "Root Double," too much explanation was given to the later foreshadowing, which slowed the pace, so the team cut the text and repeatedly rewrote it. Nakazawa placed the amnesiac Watarase in a similar information position to the player, then other characters explained the situation one by one; Explanations are interspersed with running, explosions, or temporarily unexplained situations, allowing information to be delivered step by step as rescue operations progress.

Infinity's first title: A compromise of free strategy

Nakazawa advocates for free strategy, with a fixed order of play; Both sides agreed on route difficulty and the order of the characters in the opening credits.

Remember11: Divert instructions to TIPS

Nakazawa diverts terminology explanations into TIPS, while maintaining unexpected developments and tension through rapid personality swaps.

Ever17: Control the protagonist's prior knowledge

Nakazawa has the protagonist keep the player close to the player's informed range, preventing the protagonist from knowing what the player doesn't know first.

Finished product instructions for packaging paintings

Nakazawa's packaging illustration instructions for Mikeo already included the finished product's color tone and processing effects; The packaging has been reworked multiple times in Yuri's pose.

Feedback methods for key animation revisions

Mikeo recalled: When Nakazawa requested a rework of the key animation, he would explain the reasons in detail; When faced with ideas that are still uncertain, she is first asked to try them out before deciding whether to adopt them.

A joint discussion of the final plot

Soki Tsukishima and Itakumi Nakazawa once disagreed on the final plot, but after rediscussion, they combined their ideas.

Early discussions with personal note-taking tools

In the early stages of producing "Root Double," Soki Tsukishima and Takumi Nakazawa discussed continuously for more than ten hours. In the same interview, Tsukishima also mentioned that he uses FrieveEditor to manage ideas and notes in his work.

A sci-fi reading list for the screenwriter

In an interview, Soki Tsukishima explained that while preparing the hard sci-fi script, Nakazawa provided a minimum list of must-read works. This material is part of the original production preparation, supplemented by the screenwriter's own study.

The 2008 home version was revised

Nakazawa was introduced to the original work through the fan work 'Killer Queen' submitted by Yeti's staff. Recalling the 2008 home version of "Secret Game," he said he was still modifying CG and text until master-up, balancing expression limitations with preserving the work's performance.

Rebellions revision communication

During the development of the 2013 PSP version of Rebellions, Nakazawa and Yeti discussed a full remake, commissioned Team Tsukishima, and engaged in lengthy discussions with Tsukishima based on feedback from original PC players. The team brings the case back for research, then members submit proposals. After reviewing the detailed plot, Terazuki agrees on the direction.

Original work preparation and contradiction check

Before writing "Rebellions," Nakazawa asked Team Tsukishima to play "Secret Game" and "CODE: Revise" first, while retaining character personalities, PDAs, and game rules. He repeatedly reread to check for missing abilities, causing conflicts, or causing characters to refrain from using abilities without reason, and also required testers to pay attention to these issues.

Cooperation and solution adoption again

According to Tsukishima Soki's recollections, before Tsukishima finished work on "Root Double," Nakazawa had already invited him to collaborate again, and he subsequently devoted himself to "Rebellions." Tsukishima submitted the rather unusual C plan to Nakazawa for feedback, which was accepted and adopted.

Structural adjustments in memory

In a 2012 interview, Nakazawa explained that if the PSP version of "Rebellions" had a tendency toward continuous flashbacks, he asked Team Tsukishima to adjust the description and structure to maintain the pace.

The original Xbox 360's bad ending and the trade-offs in expression

In a 2011 interview about the original development of Root Double, Nakazawa explained that he later adjusted the bad endings to distribute them from beginning to end, and changed the crisis content to maintain tension. The characters' reactions to different choices also complement the story. Although he originally opposed using exclusive CGs to require players to see bad endings, this time he still included CGs for some important failed endings to emphasize the regret of not being able to save people and to show content that can only be seen in these endings.

In a 2011 interview about the original development of 'Root Double,' Nakazawa said that Soki Tsukishima disliked detailed depictions of brutal scenes, but he still asked Tsukishima to write about necessary but not excessive tragic outcomes, leaving players with regret for not being able to save others. Faced with the expression adjustments for home games, he also prepared various dialogue versions in advance based on experience and recorded voice acting.

Original Xbox 360 voice recording

When recalling the original recording of "Root Double," Nakazawa explained that the actor's script only included parts of his own character's appearance, so he supplemented the recording with explanations of other characters' actions and reasons for being trapped, and the actors kept asking questions. Mitsuhiro Ichirai, who plays Natsuhiko Amakawa, asks questions and actively requests re-recording; At first, Nakazawa thought the original acting was already good, but after hearing about the re-recording, he still agreed that the new performance would be better.

Delay of the original Xbox 360 and improvements to Senses

In an interview published in March 2012, Nakazawa explained that the delay of the original Root Double was mainly because Senses' controls and balance adjustments were still unsatisfactory. Testers repeatedly reported that they couldn't keep up with the protagonist's location, so he decided to prepare a map with detailed updates as he moved.

In an interview published in March 2012, Nakazawa explained that the Senses specification for "Root Double" had been revised five times: the previous version directly operated the radar chart, making it difficult to intuitively understand how to adjust when using the controller. He discussed repeatedly with the staff and brought in personnel skilled in system specification design along the way. The improved version uses different sound effects to distinguish the three color branches, and adds visual effects so players can confirm that the values they enter have been reflected in the game world.

A summary of PSP timeline data

When leaving KID, Nakazawa left a timeline text organizing the main events of the three Infinity games during the handover. While preparing the PSP version of the Remember11 timeline, he retrieved old drafts, revised them, added behind-the-scenes information for the game, and checked materials and notes from the time of production.

Related entries

References

Data compiled on: 2026-10-16.

本版编辑：免费机器翻译 · 2026-10-24

内容许可：CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/

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