C155 Do You Know Your Brother?
Due to the fact that she was standing right behind Sabino, the stone pillar was much wider than Sabino. Therefore, when Sabino heard Diantha's voice, he shouted out in surprise, "Sis!" He turned his head to look at Diantha, only to see a gray stone pillar.
As a result, he did not see what Diantha looked like.
Due to the fact that he turned his head