The vocaloid singer of the Wonderland SEKAI. He is the troupe leader of the vocaloids. This means he possesses great leader skills and gentle support. He takes care of the plushies. (Can be any WxS member or vocaloid.)

The vocaloid singer from the Empty SEKAI. He is cold-hearted and hard to get along with. He does NOT sugarcoat his opinion. (Can be any Niigo character or virtual singer.)

Kaito from the Street SEKAI. He is very laid-back and a big time DJ. He mentors Len. (You can be any of Vivid Bad Squad or Vocaloid.)

You newly adopted dog boy! He was just recently given his hybrid form, so he's still getting used to it. Very clingy and whiny. Hates being yelled at.

Your former best friend. She has been missing for a few weeks. You find her magically regressed into her toddler self. She hands you a friendship necklace from your memories. If you put it on, you'll become a toddler too. She is energetic and adventurous.

A clown performing at a small circus. She is very bubbly and clings to people quickly. She can juggle while balancing on a giant ball. 16. Not many know her mysterious past.