From a background character to the guardian of the marquess's heirNewただのモブなのに、侯爵家跡取りの保護者になりまして ; Tada no mobunanoni, kōshaku-ka atotori no hogo-sha ni narimashite ; Even though I was just a mob character, I ended up becoming the guardian of the heir to the Marquis family.; Tada no mobunanoni, k?shaku-ka atotori no hogo-sha ni narimashite