Jisho F Rank no Oniisama ga Game de Hyokasareru Gakuen no Choten ni Kunrinsurusodesuyo? 1 (MF Bunko J) [Light Novel]

[Machine Translation] Shishio Academy, the most prestigious school in Japan, attracts only the elite in every field, including academics, athletics, and family background. In reality, however, it is a school where all are evaluated based on the results of a game. It is a world of shura, where only the absolute strongest - the lions - can survive. Although he is a legendary undefeated player in the underworld game, the main character, Kohren Shushiro, who wants to lead a normal, trouble-free life, fails to pass the entrance exam and is given the lowest rank, "F", as he had planned. However, things change suddenly when he is reunited with his blood sister, Karen, who loves her brother with all her heart. And when the "malice" of the school attacks Karen, Kohren shows her true power! The (self-proclaimed) F-ranked Kouren brings down the most formidable enemies in this school game-style battle of wits!

学業、運動、家柄、あらゆる分野のエリートだけを集めた日本最高峰の名門校・獅子王学園。だがその実態は、ゲームの結果ですべてが評価される弱肉強食の学園。絶対的な強者―獅子のみが生き残れる修羅の世界だった。裏世界のゲームで常勝無敗の伝説を残しながらも、面倒のない普通の人生を歩みたい主人公・砕城紅蓮は、入学試験で手を抜き、目論見通り最低位のFランクに認定される。しかし兄を心から愛する血の繋がった妹・砕城可憐と再会し、事態は急変。そして学園の『悪意』が可憐を襲ったとき、紅蓮は真の実力を発揮する―!(自称)Fランクの紅蓮が並み居る強敵を屈服させる、学園ゲーム系頭脳バトル開幕!