After the protagonist studied in the academy, he participated in the frontline battle and won the battle. Was it described in Demon Tail's Doujin novel?

It might not meet your needs, but I'll try my best to recommend a novel that is most relevant to your needs: I Entered the Most Awesome Military School "was a military-military career novel written by the author, Liang Xueli. The general plot of this novel was: In his previous life, Lu Feng, who was a super genius and military scientist, had transmigrated to a parallel world and became a high school slacker. In the classroom, the homeroom teacher asked if anyone wanted to apply for military school and that they could register in advance. Lu Feng signed up without hesitation, but he was ridiculed by the whole class. In the face of doubt and ridicule, Lu Feng's essay,"On Chinese Youth", ignited the entire country's literary world! Then, the results of the college entrance examination would be announced. With a score close to full marks, he would become the top scorer in science in the country! Instantly, the entire country was in an uproar! All the students in the class were dumbfounded! You're clearly a top student, so why are you pretending to be a slacker? ---------------------------- "Honor of Kings: Peerless Wargod" was a gaming and e-sports novel written by the author, Nine-Tailed Demonic Bug. The general plot of this novel was: [2017's Hot-blooded King of Glory novel] After a car accident, the ace captain of the strongest Glory team was reborn as an ordinary high school student. At this time, the age was still at its peak, and the experts had not aged yet. His return would make the world tremble again! Group ID: 210183364. ---------------------------- "The Unsuitable for the Sprite Academy" was a light novel written by the author, Bai Ling under the moon. The general plot of this novel was: "The Nightmare God was defeated in two moves. I didn't use the New Moon Feather." He was the 16-year-old Heavenly King without a home, the first place in the school city for three consecutive years, the owner of an S-rank dojo, the champion of the World Alliance, the record holder of the fastest exploration of high-risk secret realms, a reliable young man, the White Dragon's Favored, Zuo Hang. Zuo Hang, who had chosen to go to school for the sake of the sociopath sister, found himself targeted by a certain shameless white dragon on the first day he entered the academy city... Book Group: 943464961 The group of friends are all chatting ghosts, welcome to disturb ~ This book is also known as "Welcome to the Strength Supremacy Spirit Academy","The adolescent pig-headed sister will definitely dream of the strongest trainer". PS: The title has a word limit, otherwise I would definitely choose the longest one. ---------------------------- Soldier King Number One was an urban supernatural novel written by the author, He Sheng. The general plot of the novel was: He was the legendary strongest Weapon King in the universe. He had returned to the modern city. His master had given him the task of protecting a mysterious family. However, the beautiful CEO wanted him to go undercover in middle school to protect his beautiful campus belle cousin? Mystery after mystery; The act of pretending to be cool and slapping people in the face was almost non-stop every day… ---------------------------- The book "Super Soldier System" was a sci-fi and ancient martial arts mech novel written by the author. The general plot of this novel was: An ordinary military academy student who was a part-time dissecter, attached to the God of War System, faced all kinds of missions that threatened death, and grew up in battles with humans, Bio-Humans, zombies, Espers, and robots. The new Super Ares System and Super Ares College were updated. He had finished his old book, The World Online. ---------------------------- "First-class merit as soon as I entered the military school. I'm famous throughout the entire army!" This book was a military-war novel written by the author, Dream in the Four Seas. The general plot of this novel was: Lin Wang, who was a retired soldier in his previous life, transmigrated to a national defense student who went to the military academy to report. ---------------------------- Fatal Cannon King was a military-war fantasy novel written by the author, Uncle Fox, tonight. The general plot of this novel was: After graduating from the Second Artillery Academy, he had barely managed to blend into the conventional tactical missile force's equipment technical support unit for a few days. However, he had lost his soul in an accident. When he closed his eyes and woke up, he found himself on the battlefield! The two armies clashed at the front line! The weapon was even powered by immortal energy! "Motherf * cker!" A nimble fatty jumped up to dodge a Faerie Bullet and roared,"Don't play dirty!" ---------------------------- That Kid Is a Champion was a novel about sports events written by the author, Shigure. The general plot of the novel was: Struggling step by step, tempering step by step, forging a steel-like will. In the competition of the college sports league, you finally reached the top. For the sake of your dreams and speed, I hope you will return to be a teenager… ---------------------------- "School Hunk is a Girl: The Battle for the No. 1 Rankings" was a romantic youth-and-youth campus novel written by the author, Dophelia. The general plot of the novel was: The new book, Chief Demon Tamer, was released. In Shengxuan High School, there were gentlemen who had character and self-cultivation, delinquents who were young masters of the city, geniuses, and ordinary people…Some of them were sought after and made it onto the legendary school's No. 1 ranking, becoming the emperor at the top of the school. On the surface, the academy looked peaceful, but the Student Union and Blood Sakura were waiting for an opportunity to strike. One day, during the cherry blossom season, an unidentified transfer student came to this academy… ---------------------------- Proud Soldier King was a military-spy novel written by the author, Godly Cat Eagle. The general plot of the novel was: The Strongest Soldier King was reborn on campus with the mission of protecting beautiful women! The pure school belle, the cold queen, she did not reject anyone! In this life, he would re-write the legendary life of a Supreme King!