Kyou Senshina Mob Mujikaku Ni Honpen Wo Hakai Suru Raw Install !!top!!

"raw install" — 無垢の導入。パッチも検証もない、ただ流し込むだけの生の書き換え。僕は躊躇したが、指先は既に端末の冷たい縁を握っていた。スクリーンに映るのは、消えかけの街灯、廃れた広告、そしてモブたちの断片的な笑み。インストール開始のバーはじわりと進み、音もなく世界の輪郭が震えた。

: You can purchase the Japanese light novels through retailers like Web Novel Origin a battle-experienced mob character

A possible loose English interpretation: "Today, a battle-experienced mob character, unaware, destroys the main story — raw install." a battle-experienced mob character

So a possible loose translation:

This series follows a classic yet refreshed Isekai premise. The protagonist finds himself reborn into the world of a story he knows well—not as the hero or the villain, but as a "Mob" (a background filler character). a battle-experienced mob character