My Love Story with Yamada-kun at Lv999 OP theme song: “Gradation” by KANA-BOON feat. Yuuho Kitazawa My Love Story with Yamada-kun at Lv999 OP theme song: “Gradation” by KANA-BOON feat. Yuuho Kitazawa View Reddit by Turbostrider27 – View Source Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName * Email * Website Save my name, email, and website in this browser for the next time I comment.