User blog comment:B214/Volume 17 spoilers./@comment-117.193.172.96-20140220172147/@comment-16281343-20140221003308

Maybe he wants to elevate his class from Dragon King to Heavenly Dragon. Since he cannot reach that class by power alone, he tried to imitate Ddraig and Albion, who are associated and tormented by breasts and butts. When he tried to associate himself with panties, he discovered that he loves them. xD