Ryuuteimaru
Ryuuteimaru is the legendary ship Skíðblaðnir and the familiar of Issei Hyoudou, which was given to him by Surtr Second as a gift due to him fighting for the Underworld and Sirzechs Lucifer.
Red Dragon Emperor’s Strength
Immense Strength: As one of the Heavenly Dragons, Ddraig possesses immense power stated to be among the highest among dragons, surpassed by Ophis and Great Red. Before being sealed in Boosted Gear, his powers were stated to surpass the current Dragon Kings, rivaling the Four Great Satans and Gods.
High School DxD
Rated TV-MA for violence, language, and sexual content. "High School DxD" is an ongoing light novel series set in the High School DxD universe. One year after becoming a devil, Issei Hyoudou is still pursuing his dream to have a harem. Like the previous series, Shin High School D×D is written by Ichiei Ishibumi and published by Fujimi Shobo.
Baka Tsuki
Baka-Tsuki (BT) is a fan translation community that hosts translations for light novels in the Wiki format. Founded in 2006 by Thelastguardian (初代 – 2006-2016), Baka-Tsuki has since expanded to become the largest fan-based English light novel agglomerate on the Internet.
Classroom of the Elite Light Novel
Eight volumes: There are eight volumes of Classroom of the Elite light novels in the series so far, with more to come this year.