A brief description of the The Rising Of The Shield Hero manga:
Naofumi Iwatan is a typical otaku who is brazenly called to the other world and asked to save him. After a short break, he does decide to agree, becoming one of the four characters in the Shield Hero. And all would be fine if the guy was not robbed on the third day, and also accused of rape… Robbed and humiliated in front of the community, Naofumi decides to find the offenders and give them heat. The raccoon girl he bought out of a slave trader… Adaptation of Aneko Yusagi’s Early Childhood Tate no Yuusha no Nariagari.