景の海のアペイリア

The protagonist. Has handsome looks, and as such he is popular among the girls. He's a boy who understands the feelings ...

An artificial intelligence whose development succeeds by chance. Appears as a pure innocent child that moves with ego an...

The protagonist's "older sister", a ghost member of the AI research club. Had "Middle-school 2nd Year Syndrome" during h...

The protagonist's kouhai and a member of the AI research club."First of all, I thought of trying hard to become senpai's...

Reiichi's younger step sister. Due to her bad attitude, she has no friends and is actually very lonely. Reiichi invited ...

A player in Second whose identity is unknown. Owner of a guild called Second Research Institute, also known as Institute...

A player in Second, Thinker's assistant.

Kuon's father. The developer of VRMMO "Boundary". A prominent AI researcher. who aims to create a strong AI. According t...

A player that the protagonist met at Second. She seems to know the details of the game. Has mature and gentle personalit...

A player that Reiichi met at Second. Vice guild master of a guild named Sensei Kishi-dan. She holds a stronge grudge at ...