Diary of Guarding Monster Girls

Herbert has reincarnated. He has become a rookie Prison Warden in charge of guarding the monster girl prisoners. Bad news — as a Paladin, he must adhere to purity throughout his life. Good news — interacting with the monster girls not only won't cause Herbert to break his vow and become Fallen, but it can instead give him a special blessing. So… You already know what's going to happen, right?