Saishu Heiki Yusha Isekai De Mao Wo Taoshita Nochi Mo Otonashiku Shiteitanoni, Ikinari Shokei Sare So Ni Nattanode Hangyaku Shimasu. Kuni Wo Sutete Slow Life No Tabi Ni Deta Nodesuga, Nanka Nariyuki De Shinsekai No Mao Ni Nari Sodesu @COMIC 1 (Corona Comics)

[Machine Translation] Don't underestimate the hero (me) too much. The most powerful weapon x Butt-head = Humanity's annihilation! Volume 1 of the brave story of an ex-brave ex-brave man's betrayal of the world! The first volume includes a newly drawn manga and a newly written novel by the original author! Alsaru, a former hero who played a leading role and made a great contribution, has been defending the kingdom in the shadows ever since. However, one day, he was suddenly condemned for a crime he did not commit! The king, who continues to unilaterally condemn him, is furious and decides to abandon his loyalty and set off on a journey. However, he has plenty of free time on his hands, and his steps are light! He enjoys his slow life (?), helping people on a whim and fighting giant monsters on the side! He enjoys his slow life (?), helping people on a whim and fighting giant monsters on the side! At the same time, those who succeeded in driving Arsal out are cheering ....... They do not think about what fate awaits the kingdom that has lost its "former hero"... The first volume of a brave story of an ex-brave man's treachery to the world!

あんまり勇者【オレ】をナメんなよ。最強ウェポン×ブチギレ＝人類滅亡（泣）！？元勇者が世界に背信する、わからせブレイブストーリー第1巻！描き下ろしマンガ＆原作者書き下ろし小説を豪華W収録！4人の少年少女が魔王を討伐してから早10年。その立役者として多大な貢献をした元勇者・アルサルは、以降も影ながら王国を防衛していた。しかし、ある日突然、身に覚えのない罪で断罪された！？弁解も虚しく、一方的に自分を非難し続ける国王にブチギレたアルサルは、忠誠心を捨てて旅に出ることに。だが、有り余る自由な時間を手に入れた彼の足取りは軽い！気まぐれに人助けをしたり、片手間に巨大怪物と戦ったりとスローライフ（？）を大満喫する！その頃、アルサルを追い出すことに成功した者たちは歓声を上げる……。「元勇者」を失った王国にどんな運命が待ち受けているかも考えず――。元勇者が世界に背信する、わからせブレイブストーリー第1巻！