User blog comment:B214/High School DxD Hero Discussion/@comment-74.213.82.56-20180703153419/@comment-4320546-20180703180026

The light novel description is literally "He has a buzz-cut hairstyle and he’s wearing circular sunglasses, an aloha shirt and has a jewel around his neck." Taken from https://www.baka-tsuki.org/project/index.php?title=High_School_DxD:Volume_10_Indra the second paragraph. He literally appears as described.