Kokuen no Ou Zelk 1 (Gangan Comics UP!)

[Machine Translation] Fight! Fight with the fire that will "incinerate" everything! A journey through the world after the collapse of civilization in this action-packed battle game! On that day, the sky broke and the world collapsed. Nagatsuki Nekoha, who was directly under the broken sky, fainted, and when he next came to, five years had passed. In a world where civilization has collapsed and changed, monsters called "deformities" roam the streets and attack humans, and Nagizuki is attacked as well. At that moment, an unfamiliar voice speaks to her from inside her head... Use it to your heart's content. Use my black flame to burn everything to the ground! The world's cutest boy travels through a world after civilization collapses in this action story of a battle with otherworldly powers!

戦え！　すべてを"焼滅"させる、その炎で！！文明崩壊後の世界を旅する異能バトルアクション！その日、空が割れ世界が崩壊した。割れた空の直下にいた猫羽渚月（ねこはなつき）は気を失い、次に気付いた時には5年の歳月が流れていた。文明が崩壊し変わり果てた世界には「異形」と呼ばれる、人間を襲う化け物が徘徊しており渚月も襲われる。その時、頭の中から聞き慣れない声が語り掛けてきて…。「存分に使え。すべてを"焼滅"させる、俺の黒焔を！」世界一可愛い男子が文明崩壊後の世界を旅する異能バトルアクション！