Rainbow Butler 2 (虹執事2, Niji shitsuji 2) is the second official Kuroshitsuji anthology. Released one year after the first, the sequel contains fourteen more one-shot chapters and short doujinshi by various manga authors, several of whom return from the first anthology volume. The book also features six illustrations of the series' characters by other artists and a short story by Yana Toboso about Vincent Phantomhive titled "With Father!" The anthology has only been published in Japanese.
Ciel is welcomed to Noah's Ark Circus by the first-tier members, who introduce themselves to him and give him unique gifts. Peter, Wendy, and Jumbo challenge Ciel and Sebastian to a fistfight.
Ronald finds Grelle in a manic state on the day her suspension ends, because she has just learned her first new assignment is at Phantomhive Manor. She forces Ronald to shop with her for a white wedding dress, hoping to slay Sebastian and dye it red with his blood when she meets him at the manor.
3. Nightmare of the Road (道のりの悪夢, Michinori no akumu)
Author: Satsuki Yoshino (ヨシノサツキ)
Characters included: Ciel Phantomhive, Sebastian Michaelis
Summary
Sebastian and Ciel try to play shiritori during a boring carriage ride, but both have a few tricks up their sleeves.
4. You are a Television Kid (キミはテレビっ子, Kimi wa terebi-kko)
Ciel fails to make Undertaker laugh during a visit, which causes Undertaker to remember a time Vincent made him laugh by pulling a pair of tights over his face. Undertaker encourages Ciel to wear one on his head to make him laugh, but Ciel is afraid of being humiliated.
8. There is no Ghost (おばけなんてないさ, Obake nante nai sa)
Author: Miyamiyami (ミヤミヤミ)
Characters included:Charles Grey, Ciel Phantomhive, Sebastian Michaelis, Mey-Rin
Summary
9. Dawn of the Idol (アイドルの夜明け, Idol no yoake)
Author: Jirou Suzuki (鈴木次郎)
Characters included:Queen Victoria, Dagger, Beast, Jumbo, Doll, Snake, Doctor, Peter, Joker, Wendy, Sebastian Michaelis, Ciel Phantomhive, Undertaker, Grelle Sutcliff, William T. Spears, Kelvin, Finnian, Baldroy
Summary
At the request of the queen, Ciel and Sebastian join the schoolgirl-themed idol group NAC48 to investigate the mysterious disappearances of several people associated with them. Unfortunately, William is also investigating NAC48 and does not want Ciel and Sebastian in his way.
Angelina begins to grapple with her guilt over her religion after Ciel returns home from being kidnapped, and remembers a time Grelle told her an "interesting story" about the Virgin Mary and Mary Magdalene. Meanwhile, Grelle pressures Angelina to continue her killing spree.
11. Nyantomhive! (にゃんトムハイヴ!)
Author: Mochi (もち)
Characters included:Lau, Sebastian Michaelis, Ciel Phantomhive, Ran-Mao, Mey-Rin, Finnian, Baldroy
Summary
12. Gallery de Viscount (画廊de子爵, Garō de shishaku)