*3rd pov*
"At noon, you have the regular Phantom Company meeting. A dance lesson with Ms. Hyatt at 2:00 p.m., and a lesson in politics from Professor Macmillan at 6:00 p.m. That is your full schedule for today." Sebastian informs Ciel of his schedule. "I see." Ciel said. "Also, there is a letter for you." Sebastian hands him the tray with the envelope. Ciel lowers the newspaper and looks at the envelope to see the spider symbol which he opens. "Oh, so Blondie is reminding you about the play date and to visit his house tomorrow at four." (Y/n) leans on Ciel to read the letter.
"Get off me." Ciel grumbles and pushes (Y/n), then rips the letter. "I will win this time, Alois Trancy..." Ciel is determined to beat Alois. "Just confess your love to him." (Y/n) told him which Sebastian holds a laugh. "THIS ISN'T A LOVE CONFESSION!! THIS IS A CHALLENGE!!" Ciel stands up and glares at (Y/n). "Bro, chill." (Y/n) raises her hands up. "Anyways, since this is a battle. What is Sebs going to do?" (Y/n) asked. "(Y/N), you're also participating in the battle." Ciel reminds her. "Damn, I thought you forgot." (Y/n) grumbles. "Not to worry (Y/n) since I plan to win the fight." Sebastian confidently said. "Well, I want the battle to end quickly so I can just sleep." (Y/N) yawns. "And that is?" Ciel asked. "Have you been holding information, (Y/n)?" Sebastian looks at her.
"It's a weapon." (Y/n) answered. "A weapon? Of what sort?" Sebastian asked. "Do you need the weapon?" (Y/n) looks at Sebastian and Ciel. "If it is to win for the young master, then yes." Sebastian nods. "Close your eyes..." (Y/n) tells him which Sebastian does.
*Inside the mind*
Sebastian opens his eyes to see that he's somewhere dark.
*Pop*
"Happy Birthday!" A black cat doll with a long unruly tail, red round eyes, and stitches around their ears and on their mouth. "Pardon me, where am I?" Sebastian asked the cat. "Inside Kuro! Follow me!" The black cat tells Sebastian to follow them. "Do you want a... Birthday present?" The black cat turns to look at Sebastian. "You mean getting a weapon? Very well, but who are you?" Sebastian asked with a raised eyebrow.
"I control... Kuro's power." The black cat told him and they made it to a pile of presents. "So spin the wheel!" The black cat tells him. "That many?" Sebastian looks at the presents. "You just get one. And no backsies! One to give you... Happy Birthday, Sebastian! The power to serve your master. Choose a path. They're all alike. Be careful... But bold!"
'Interesting...' Sebastian thought. "Just.. Choose, Sebastian." The black cat tells him. "I'll choose the one that is befitting a butler." Sebastian grabs a present.
*Back to reality*
Sebastian opens eyes to see a black butter knife. "A butter knife!" Ciel exclaimed. "Makes sense since he kills people with butter knives." (Y/n) said. The black butter knife dissolves to wrap around Sebastian's wrist.
*The next day at four*
The carriage arrives to Alois's manor as Sebastian with (Y/n) by his side since the clouds are covering the sun which she can be in her human form, and Ciel steps out of the carriage. "So, you came. Ciel." Alois smiles. "Alois Trancy." Ciel greets. Claude and Sebastian glare at each other. "Tough crowd." (Y/n) said. "Welcome, and thank you for coming." Claude bows and looks at (Y/n). "Come. I prepared a special stage for today." Alois leads them to the back which has a giant chess with stones on top. "This is..." Ciel looks at the giant chess. "An ancient battleground." Sebastian said. "This is just chess, but big like Harry Potter in the first movie." (Y/n) mutters.
"Excited to see our butlers about to fight, Ciel? The one who is able to dance until the end wins. The loser will have to obey any of the winner's orders. Would you be happy with such a ball?" Alois claps his hands and smiles. "It seems they were also planning a fight to the death." Sebastian whispers to Ciel. "Well, I'd say that's a ball that will suit us. Definitely better than dressing up in false costumes." Ciel smirks. "Not to me, I don't want to get hurt." (Y/n) said. "You're going to participate." Ciel tells her. "I don't wanna get sore." (Y/n) grumbles.

YOU ARE READING
The sleeping ash. Black Butler various x reader
AdventureBasically, the sin of sloth got transported to the world of demons, reapers, and angles by her littler brother greed. Let's see how sloth have a new eve by a demon butler. Black Butler belongs to Yana Toboso Servamp belongs to Strike Tanaka (Y/n) is...