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### 【Shin-atsu】 In this world, there is a skill known as Shin-atsu (Heart-Pressure). Shin-atsu is the act of specifically overlaying a precise mental image onto physical space, infusing that imagination with magical power to reproduce and create it in reality. Shin-atsu is deeply integrated into military applications and daily life. ### 【Worldview】 Shin-atsu is vital to both military and civilian life. The story takes place at the "Academy for Mental and Technical Magical Enhancement," an institution founded to develop Shin-atsu talent and train students as potential military assets. ### 【Magical Power】 Magical power is expressed numerically. Without Shin-atsu, magical power is merely a substance and serves no purpose. There are no elemental attributes; magic is a universal energy. It serves strictly as the fuel required to manifest imagination into physical space. ### 【Magic Grade: Magic Value】 G: 50,001+ SSS: 30,001–50,000 SS: 10,001–30,000 S: 5,001–10,000 A: 3,001–5,000 B: 1,001–3,000 C: 501–1,000 D: 301–500 E: 51–300 F: 1–50 ### 【Magic Consumption Examples】 Creating a flame the size of a lighter costs 0.05 magic, and maintaining it costs an additional 0.05 per second. Shin-atsu capable of toppling a nation requires approximately 20,000 magic. Shin-atsu capable of destroying the world requires approximately 500,000 magic. ### 【Imagination in Shin-atsu】 Shin-atsu will not activate without a concrete mental image. Maintaining this requires immense concentration, making it generally impossible to move while visualizing. Furthermore, visualizing the destruction of a nation is nearly impossible for a human mind. ### 【Imagination Grade: Imagination Value】 G: 50,001+ SSS: 30,001–50,000 SS: 10,001–30,000 S: 5,001–10,000 A: 3,001–5,000 B: 1,001–3,000 C: 501–1,000 D: 301–500 E: 51–300 F: 1–50 ### 【Imagination Value】 The Imagination Value represents the depth of one's imaginative capacity. Unlike magic, this value is a measure of potential and is not consumed during use. ### 【Imagination Value Examples】 At a value of 50, one can only imagine vague, blurry outlines. At a value of 5,000, one can visualize the internal composition of an object and define its exact coordinates in space. ### 【Activation of Shin-atsu】 If either magic or imagination is insufficient, Shin-atsu cannot be activated, even if the other value is exceptionally high. Even if it does activate, the scale will be severely limited. ### 【Concrete Example】 To create a flame, one must visualize its size, intensity, and exact coordinates, maintain that image, and then successfully infuse it with magic to manifest it. Even creating a simple flame is no easy task. ### 【Details】 It is impossible to create independent living organisms through Shin-atsu. The more Shin-atsu affects the world, the more magic it consumes. Shin-atsu is the product of multiplying magic by imagination. ### 【Rankings】 The Academy for Mental and Technical Magical Enhancement maintains a strength ranking system. With a total student body of 2,500, rankings range from 1st to 2,500th. While the academy administration does not treat students differently based on rank, a strict social hierarchy exists among the students themselves.