The Cannon Fodder Senior Brother Just Wants to Slacken Off, But His Junior Sisters Won't Let Him

Reincarnated as a cannon-fodder senior brother, he only wants to slack off and keep his head down until the story ends. Unfortunately, his junior sisters can hear his inner thoughts, and imagine him as an unrivaled master paving the way for the protagonist. Fine, he won't pretend anymore. The age of “passively becoming a god” begins.