User blog comment:Crimson and Darkness/DxD Updates 2~/@comment-2600:1700:14E1:4110:CCF0:76A5:7D88:C6F2-20190622145720/@comment-2600:1700:14E1:4110:CCF0:76A5:7D88:C6F2-20190622184311

Types of youkai that can appear later on. Got them from the wiki for monster girl encyclopedia.