User blog comment:Crimson and Darkness/Volume 24 discussion blog/@comment-39.43.169.255-20180103015838/@comment-2001:E68:6DD3:AA00:15BF:D243:B977:646E-20180103021551

The heavenly kings of the kitchen aka they are the best cooks among the harem, while Xenovia and Irina are the worst cooks

one of the SS where Issei gets dragon's flu shows how comically bad Xenovia,Irina and Gaspers cooking are