Cinnamoroll has many friends. Here are a few of them!
One friend is named Mocha. This is her.

Another friend is named Milk. Milk is a little baby. Here is a photo of Milk and Cinnamoroll together, while Milk takes a bath.

Cinnamoroll also has a friend named Espresso, pictured here.
Cinnamoroll has another friend, whose name is Cappuccino, pictured here.

Cinnamoroll has also befriended Chiffon, who has big fluffy ears, as seen here.

Cinnamoroll has a friend called Azuki. Azuki is typically seen hanging out with Mocha and Chiffon. Pictured below, she is the one with pink ears.

Last, but not necessarily least, Cinnamoroll is friends with Nut and Coco, who are twins. However, Cinnamoroll is not typically pictured with them.

In conclusion, Cinnamoroll has lots and lots of friends. This is probably because Cinnamoroll is a nice person, and cares about his friends. Here is a cute gif of him with all of his friends, except for Nut and Coco. See if you can spot and see who's who!
Lastly, before I go, here is a photo of the gang having a party.