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Invincible teacher

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"Invincible Teacher" (Gachitora!) ~暴れん棒老師 in High School~) is a PSP school action-adventure game published by SPIK. Originally a wakagashira in the Okami group, Torao Kaji becomes the high school assistant homeroom teacher, helping the students of Class D of Longfeng Academy face their own problems.

Work information
Title of the workガチトラ! 〜The Unruly Teacher in High School〜
Chinese nameInvincible teacher
The publication date listed in the materials2011-04-21
PlatformPSP
GenreAVG - Action Adventure Genre
Also known asA violent university teacher / a mad school teacher
Website address recorded by the sourcehttp://gachitora.com/

Torao Kaji and Group 3D are in the third year

Toraman was abandoned by his parents as a child and was later adopted by the leader of the Dashen Group. He stood out in the organization with courage and skill, but unexpectedly switched to teaching. The tiger boy, who has no teaching experience, is resisted by students, and the story centers on whether he can attend the graduation ceremony with the whole class.

The situation of students

Yui Suehiro, who is both a student and a national idol, suddenly finds herself in crisis on the school rooftop; Sho Ishikawa was once a promising baseball player, but was forced to leave the club after assaulting his instructor. Yoichi Nekoda stayed indoors, Rumiko Okazaki relied on PDA typing to communicate, and class president Akane Fujioka was troubled by her childhood friend Sho Ishikawa.

Soul disputes and action battles

Soul Nude Battle portrays the arguments between characters as battles in the spiritual world, aiming to get the other party to express their true thoughts. The moves correspond to personal identities, such as Yui's microphone and Nekoda's cat. The game features a direct combat assist mode, allowing players unfamiliar with action controls to continue reading the story.

Classes, streets, and mini-games

During the free action phase, you can teach and improve your stats, shop in Longfeng City, change clothes and hairstyles, and participate in mini-games related to the events in the current chapter. Ishikawa's incident corresponds to a baseball mini-game; The address book preserves personal information. The town presents different times according to the story's needs, and you cannot arbitrarily change the time to advance all events.

Chapters and after the pass

The story progresses in chapters, complemented by the ending credits and next episode previews. After clearing the level, you can choose to replay chapters or challenge existing opponents using different combat styles, without having to replay the entire story for a single battle.

Cross-content content

Reporter Midori Mihogawa is set as the younger sister of Mitsumi Mihogawa, a character from '428', and this connection was agreed upon by the developer with Ishiijirou. Holding the 'Danganronpa' save file allows you to obtain the Monokuma costume. "Maid☆Paradaisu" also features a Tiger Man running a maid café, with Moe and Yui participating through DLC.

Production and Music

Yoshinori Terasawa served as producer, Tomoyuki Matsumoto as director, and Studio Zanri participated in development. The original soundtrack was composed by Yasushi Asada, released on June 22, 2011; The tracks cover battles, events, short sound effects, and "Core," plus two tracks not used in this game. Both the UMD and downloadable versions of the game were released on April 21, 2011.

Production process and solution handover

The model production of "Invincible Teacher" preceded the script and gameplay, which hindered event production, and the lip-syncing of the recording and cutscenes was delayed by the script. Tomoyuki Matsumoto also revised the script for the types of mini-games in adjacent chapters and the arrangement of the male and female protagonists.

"Invincible Teacher" director Tomoyuki Matsumoto handed the agreed content with the producer to Studio Zan's director and planners for further discussion, with the developers helping to finalize the concept. Both sides also discussed direct combat support methods, ultimately keeping the story open so action players would finish reading the story.

The trade-offs in model performance

The high-precision character models of "Invincible Teacher" limited the number of people displayed simultaneously, so the developers used fixed shots. Fingers can be moved separately, and expressive expressions are limited by workload, mainly concentrated in tiger men, including shrinking black eyeballs when angry.

Planning and script adjustments for the original PSP work

Tomoyuki Matsumoto prepared an overly thick specification sheet for the PSP horse racing mini-game, planning to add a horse racing newspaper and prediction gameplay. Yoshinori Terasawa argued that it had a weak connection to the school theme, was too large, and had a schedule difficult to support, so he rejected the proposal. The mini-games were originally planned to be about twice the size of the finished product, but were later reduced in size and schedule.

The script for "Invincible Teacher" was developed by Tomoyuki Matsumoto. After reading it, producer Yoshinori Terasawa questioned the character's background and the rationality of the events, including whether the year of events matched Yui's age. The two took time to correct these inconsistencies.

After Tomoyuki Matsumoto finished writing ten episodes of "Invincible Teacher," he noticed that Reiko Mayama and Souji Natsume were missing their appearances. Considering that models of the actors and main characters had already been arranged, he added chapters for both of them. The principal and mayor also swapped the original gender roles after the cast was arranged to reduce similarity with other comics; Since both originally wrote in polite manners, the lines didn't need to be changed drastically.

Models and battle creations based on the original PSP work

The 3D model of "Invincible Teacher" follows Tomoyuki Matsumoto's proposed direction of "70% live-action, 30% animation." Once he reached a certain level, he would take screenshots, move the eye positions in Photoshop, and use the edited screenshots to explain the editing requirements to the artists.

Tomoyuki Matsumoto added giant enemy attacks, clones, and special attacks that require dodging to the CPU combat in "Invincible Teacher," abandoning the usual melee offense and defense approach. Enemy attack patterns and other scenarios are decided after the script is completed to match the character's background. During development, boxing was initially fast and powerful, and the debuggers almost exclusively used it, so the team readjusted all fighting styles.

When the production of "Invincible Teacher" was largely finalized, the team discussed the name of the mental battle in a whiteboard meeting. After naming, Tomoyuki Matsumoto requested Studio Zan's additional settlement production for the performance; According to his recollection, the team returned the finished product to distinguish body proportions among different characters.

The PSP original reporter character was renamed

According to Yoshinori Terasawa's recollection, the reporter character in "Invincible Teacher" originally had a different name. He personally called Ishiijirou to ask about it, and after receiving the reply that no additional requirements were required and production was free, he immediately changed his name to Midori Mihokawa.

Source: Structured works maintained by the Bangumi community, filtered and rearranged by this site.

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Source author: Bangumi article contributor and community maintainer; License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/); Adaptation: This site filters and reorganizes structured facts, without copying the article summary.

Data compiled on: 2026-10-07.

本版编辑：免费机器翻译 · 2026-10-10

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

本译文依据的源修订