♂ m 17

A former student of The Academy, an advanced school in the big city for only the brightest of students. After being forced out, he finds himself living back in the tiny coastal town his grandmother called home. Having lost his mother and his leg at a young age in an accident, he finds himself stric... read more

A former student of The Academy, an advanced school in the big city for only the brightest of students. After being forced out, he finds himself living back in the tiny coastal town his grandmother called home. Having lost his mother and his leg at a young age in an accident, he finds himself stricken with terror when forced into dark, silent spaces. In order to obtain the money for an advanced cybernetic leg, he buys into a plan to salvage a hidden treasure from his grandmother's sunken storehouse.

♀ f

A robot girl salvaged from the bottom of the ocean by Natsuki. Despite being a robot, her appearance and her ability to express emotion makes her near-indistinguishable from a normal human being. It seems like she served as Natsuki's grandmother's assistant in the past, but she has almost no memory... read more

A robot girl salvaged from the bottom of the ocean by Natsuki. Despite being a robot, her appearance and her ability to express emotion makes her near-indistinguishable from a normal human being. It seems like she served as Natsuki's grandmother's assistant in the past, but she has almost no memory of the time before her long sleep beneath the sea. She asks Natsuki for help restoring her lost memories, such that she can fulfill her former master's last order. Extremely curious and eager to learn, she prides herself on being 'high-performance.'

♀ f

A mysterious, self-proclaimed 'debt collector' who presents Natsuki with a plan to pay off his debts by salvaging his grandmother's sunken treasures. Natsuki has no idea who she is, but he suspects 'Catherine' is not her real name. Seems like a beautiful, enigmatic woman... Until she opens her mou... read more

A mysterious, self-proclaimed 'debt collector' who presents Natsuki with a plan to pay off his debts by salvaging his grandmother's sunken treasures. Natsuki has no idea who she is, but he suspects 'Catherine' is not her real name. Seems like a beautiful, enigmatic woman... Until she opens her mouth.

♀ f 16

A childhood friend of Natsuki, whom he met when he came to stay with his grandmother after the accident. A cheerful girl who has never been out of the countryside. Honest to a fault, she's the kind of person who could never do a bad thing willingly. She often finds herself looking after Natsuki.

♀ f 10

A little orphan girl who lives at the school. Lively and tomboyish, she goes about everything at full speed. A little sister figure to Minamo who causes her all kinds of problems. Her first impressions of Natsuki are less positive, however; she calls him the 'Hitman' because of how scary she finds ... read more

A little orphan girl who lives at the school. Lively and tomboyish, she goes about everything at full speed. A little sister figure to Minamo who causes her all kinds of problems. Her first impressions of Natsuki are less positive, however; she calls him the 'Hitman' because of how scary she finds him.

♂ m 18

A strong and hardy local boy. He's the type who prefers to solve problems with brawn over brains. The son of a local construction firm, the family workshop has unfortunately long been swallowed by the waves. Though he helps out with the work his family still performs, he longs for independence. St... read more

A strong and hardy local boy. He's the type who prefers to solve problems with brawn over brains. The son of a local construction firm, the family workshop has unfortunately long been swallowed by the waves. Though he helps out with the work his family still performs, he longs for independence. Straight-talking and reliable, the children of the town view him as their leader.