Small description of the characters:

A: Halloween version of Hayami from My Pocket Hayami.

B: Hayami-Chan from the Hayami-Chan series.

C: Furry version of Hayami.

D: The Main Character you play as in Hayami-Chan 2

E: The greatest thing you've ever seen.

F: One of the main characters in Her Nightmares

G: One of the main characters in Her Nightmares

H: Robot Kuno, might have super sci-fi abilities.

I: Halloween skin of Aliceanna & Her combined into one character, from My Pocket Hayami.

J: Tiny version of Hayami from My Pocket Hayami & My Hayami-Chan.