they both sign a contract.Sebastian becomes Ciel's butler/bodyguard and once Ciel dies Sebastian will consume his soul.
if you are talking about when they left the in the cart (there are spoilers) then he talked about why sebastian stabbed ciel and ciel said is it because you wanted to kill me before he became a demon but sebastian said no it was because he wanted to check if ciel was really a demon. they also talked about why sedastian still serves ciel, it was because before he became a demon he ordered sebastian to stay his butler until ciels soul is eaten because of that sebastian is now his butler forever hope that helped (sorry for my poor english)
In Black Butler, Ciel named Sebastian after a dog he used to have.
Sebastian is considered to be a quite adequate name for a butler, not only is it proper but it sounds nice. "Sebastian could you get the door", "Sebastian bring me dinner"
Kuroshitsuji (Black Butler)
The first time Grell and Sebastian do battle is in Black Butler Episode 5, and it is continued in Episode 6.
sebastian does not have a gf nor bf but in the end of season 1 on black butler on netflix it show's them kissing !? i know but that's not true because the anime stopped following the manga after season 1 :| so just a little info-
if you are talking about when they left the in the cart (there are spoilers) then he talked about why sebastian stabbed ciel and ciel said is it because you wanted to kill me before he became a demon but sebastian said no it was because he wanted to check if ciel was really a demon. they also talked about why sedastian still serves ciel, it was because before he became a demon he ordered sebastian to stay his butler until ciels soul is eaten because of that sebastian is now his butler forever hope that helped (sorry for my poor english)
Sebastian Michaelis is a demon, and a butler to Ciel Phantomhive, from the anime/manga Black Butler.
In Black Butler, Ciel named Sebastian after a dog he used to have.
Sebastian the demon butler.
Sebastian is considered to be a quite adequate name for a butler, not only is it proper but it sounds nice. "Sebastian could you get the door", "Sebastian bring me dinner"
Kuroshitsuji (Black Butler)
The first time Grell and Sebastian do battle is in Black Butler Episode 5, and it is continued in Episode 6.
At this point the answer to that question is unknown. When we find out, the Manga will most likely end shortly after.
Sebastian Michaelis' master is named Ciel Phantomhive.
ciel turn into a demon by Hannah who used a spell that's what the words were that she said and why Sebastian was suprised when she said the words and hurt ciel. Hannah did this because it was alois is wish to have no one eat ciels soul.
Sebastian Michaelis or in the Japanese version Sebasuchan Mikaerisu.Sebastian often describes himself through his catchphrase "I am simply one hell of a butler".