Nirengeki Shoda, also known by the hero name Mines, studies in Class 1-B at U.A. High School and serves as vice representative. He presents as a chubby young man of below-average height with short ice-blue hair and a round face. His large, wide eyes with small pupils and upward-pointing eyebrows often convey a sheepish or apologetic expression. His hero costume includes a black high-collared suit featuring pale white trim along the collar, hem, torso, and shoulders, paired with plain black pants and white knee-high boots. Specialized gear consists of a blue scouter-like visor over his left eye and a connected radar on the back of one gloved hand, tracking impact points for his Quirk. Characterized by humility and reliability, Nirengeki voluntarily withdrew from the U.A. Sports Festival tournament after Hitoshi Shinso's brainwashing, deeming advancement without conscious effort unfair. As Class 1-B's "conscience," he rejects class rivalries and Neito Monoma's antagonism toward Class 1-A, prioritizing teamwork and maturity. He collaborates effectively in combat, exemplified by complimenting Mina Ashido post-battle without resentment. His tactical intellect surfaces during the Joint Training Battle, where he devised a stealth strategy mirroring a prior team's approach based on similar Quirk utility among allies. He deduced opponents' actions mid-fight, such as Mina blocking his attack despite limited visibility. His Quirk, Twin Impact, triggers a second, amplified impact at any previously struck location. The initial hit marks the target for remote activation, enabling enhanced force or propulsion. This ability aids mobility—like higher jumps—and teamwork by augmenting allies' attacks. The amplification scales with the base attack's strength. During the Joint Training Battle, he intensified Reiko Yanagi's and Yui Kodai's collaborative techniques and subdued Minoru Mineta with one punch after analyzing his movements. His combat stats note above-average power (5/6) and team consciousness (5/6), with average speed (3/6). Nirengeki debuted in the U.A. Sports Festival, placing 33rd in the Obstacle Race and advancing via Shinso's brainwashing in the Cavalry Battle before withdrawing. He participated in the Forest Training Camp, surviving the Vanguard Action Squad's attack with injuries. Later, he passed the Provisional Hero License Exam and performed in Class 1-B's school festival play. In the Joint Training Battle's fifth round, he allied with Yanagi, Kodai, Monoma, and Shinso against Class 1-A. After Monoma copied his Quirk, Nirengeki coordinated stealth attacks and intensified object barrages via Twin Impact. He incapacitated Mineta but fell to Mina's uppercut. Post-battle, classes socialized amicably. For Work-Studies, he interned under the Lion Hero: Shishido (No. 13 Pro Hero) alongside Jurota Shishida, Rikido Sato, and Mashirao Ojiro, refining predictive combat skills. During *World Heroes' Mission*'s global crisis, he joined Shishido's team raiding Humarise's New York base. Though failing to locate Trigger Bombs initially, the team aided evacuations until bomb deactivation. In the Paranormal Liberation War, Nirengeki assisted the Villa Backup Team to prevent villain escapes. He supported operations against Gigantomachia by deploying distractions like Momo Yaoyorozu's cannons. Eight years post-Final War, Nirengeki graduated from U.A. and became a Pro Hero.