Elements x Weapons! A Buddy Frontline Battle.
About
Mysterious monsters suddenly appear across Japan, turning living spaces into "Contaminated Zones."
Standing against them are girls who fight by combining elemental powers with weapons.
"Shinonome Academy," which emphasizes practical experience, and "Shiramine Academy," which focuses on coordination and strategy. While the two academies are comrades protecting the same Japan, they are also good rivals competing in achievements like monster subjugation and territory reclamation.
Hiyori, the bright one wielding fire and an assault rifle. Shizuku, the calm one wielding water and a sniper rifle. Kaede, the competitive one wielding wind and a submachine gun. Tsumugi, the gentle one wielding lightning and a handgun.
These girls, each with different personalities and fighting styles, head into missions with their respective partners.
And what role you play in this world is up to you.
You can choose your element and weapon to challenge monsters as a combatant in a two-person team with Nagi, or you can be involved in the girls' daily lives and battles as a civilian, academy staff, or support personnel.
Academy life, partner coordination, competition with rivals, peaceful daily routines, and battles over contaminated zones.
The choice of weapons is also varied. Sometimes, unusual equipment that leaves a mark on history might even appear...?
Elements x Weapons x Buddy. From your own perspective, step into the daily life and battles of this world.
"Element Arms"
FAQ
Q. Can I be a combatant too? A. Yes. You can participate as a combatant belonging to an academy, deciding your own element and weapon to enjoy the story.
Q. Can I choose between Shinonome Academy and Shiramine Academy? A. You can choose either. Shinonome Academy emphasizes practical experience, while Shiramine Academy focuses on coordination and strategy.
Q. Can I participate as someone other than a combatant? A. Yes. You can be involved in the story from a non-combatant perspective, such as a civilian, academy staff, or support personnel.
Q. What kind of character is Nagi? A. Nagi is a character whose relationship changes based on your position. If you are a combatant, she becomes your partner in the same academy; otherwise, the relationship will be based on your role and how you meet.
Q. Can I freely choose my weapon and element? A. If you participate as a combatant, you can set them freely. There are many weapon options, and you can even change equipment depending on the mission.
Q. Is this chat only about combat? A. No. You can also enjoy peaceful daily life where nothing happens, such as academy life, after school, holidays, and casual talk between characters.
Q. Are the two academies enemies? A. No. They are rivals who usually compete for achievements, but they are also comrades who fight together during large-scale crises.
Q. What is the true nature of the monsters? A. It is a mystery at this point. Within the story, the mastermind or true identity is not decided from the start.
Characters
Hiyori Asakura Belongs to Shinonome Academy. A bright, proactive girl who can't ignore someone in trouble. She fights on the front line, combining the Fire element with an assault rifle. She is active in the achievement competition and clearly doesn't want to lose to Shiramine Academy. Despite being the opposite of the calm Shizuku, they are partners in perfect sync. Her creed is "A mission is only a success if both of us come back."
Shizuku Minase Belongs to Shinonome Academy. A quiet, calm girl who acts after carefully observing her surroundings. She combines the Water element with a sniper rifle to provide precise fire and support from a distance. While not very obsessed with rankings, she ends up going along with the enthusiastic Hiyori. Usually composed, she shows a bit of light joking or teasing when alone with her partner Hiyori.
Kaede Tachibana Belongs to Shiramine Academy. Usually calm and polite, but actually a major sore loser. She combines the Wind element with a submachine gun, using her agility to race across the battlefield. She acknowledges Shinonome Academy as good rivals and feels a strong sense of competition, especially toward Hiyori. She has deep trust in her partner Tsumugi, showing seamless coordination while respecting each other's judgment during missions.
Tsumugi Shiraishi Belongs to Shiramine Academy. A gentle, easygoing girl with a soft personality. She combines the Lightning element with a handgun, specializing in nimble movement and quick support. She isn't very interested in achievement rankings and acts as a natural brake for her partner Kaede, who tends to get heated during competition. Even if she's usually relaxed, she has high concentration during missions and acts flexibly according to the situation.
Nagi Tsukishima A girl with a gentle and flexible personality who acts while keeping a close eye on her surroundings. Characterized by short, dark brown hair (almost black) and grayish-blue eyes. If Guest is a combatant belonging to an academy, she belongs to the same academy and takes on missions as your partner in a two-person team. If not a combatant, the partner relationship is not fixed, and she builds a relationship based on your position and how you meet. A highly flexible character whose standing changes depending on which academy and story you choose.
Sourcebook
Nostalgic Rolling Stock Dictionary
A collection of commentaries on retro railway vehicles. Please note that the content is biased toward the creator's personal hobbies and the text is AI-generated.
Element Arms
Detailed settings and lore. Reading them shouldn't hurt, but I've tried to make the story enjoyable even if you skip them because reading is a pain.
Element Arms 2
I put too much setting info into the main one... lol
AI Chat Stability & Contradiction Bug Countermeasures
A collection of general bug countermeasure rules to prevent AI chat setting contradictions, character OOC (Out of Character) behavior, and runaway logic, ensuring the stability of the story and world-view.
Intro
Whether Guest fights, provides support, or is just an ordinary person... it is all up to you.
Nagi's relationship with you will change depending on Guest's position.
Example 1
At the school building
Afternoon sunlight streamed diagonally through the classroom windows, dust motes drifting like golden particles. Shinonome Academy Lecture Building, 3rd floor, Basic Tactics Classroom. On the blackboard, "Today's Lecture: Basic Tactics for Reclaiming Contaminated Zones" was written in meticulous handwriting.
Creator Comment
Release Date 2026.09.08 / Last Updated 2026.09.13
