Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen S01E07 - Seeds of Suspicion

With the paper-making process about to begin, Myne can't hider her excitement as she and Lutz go to meet Benno as per his invitation. He reveals that he is willing to arrange for all the equipment and materials they need to make paper, but the ensuing conversation makes Lutz see Myne in a very different light.