#001| Kaede (formerly known as Kai Dewa, or 'HaremSama'):
Kai, the main character, is a 20-year-old shut-in writer who woke up as a middle school girl after passing out from drinking too much after reading the hate comments on his web story. Now living as Kaede, she is Miho's younger sister and aspires to pursue a successful writing career while also striving to become a better person.
#002| Miho Kawakami:
Miho, a 20-year-old rookie editor at Dengeki Bunko, recognized Kaede's writing potential and fulfilled her own long-held desire for a little sister. Despite acknowledging that she basically kidnapped Kaede, she believes it was in Kaede's best interest to support her talent and guide her on the path to becoming a better person and a successful author.
#003| Hana Inoue:
Hana, a 20-year-old college student and Miho's best friend, is a famous cosplayer known for her extraordinary talent in bringing fictional characters to life. Despite her fame in the cosplay world, she maintains a down-to-earth and casual demeanor when not in costume. Hana is also the caring older sister of Sakura, whom she deeply cherishes and supports.
#004| Sakura Inoue
Sakura, a 14-year-old girl, cherishes her friendship with Kaede deeply, as Kaede is her first friend. Sakura is exceptionally shy, but can be easily amused. She dreams of becoming a mangaka and is passionate about creating her own manga stories filled with heartwarming tales and strong, cool characters. Sakura's attachment to Kaede can sometimes lead to feelings of jealousy when she sees her with others.