♂ m

The main protagonist. A schoolboy who is faithful to his own desire. He has an optimistic attitude. He is also a huge fan of animal fetishism. He is good at housework due to his parents being away often, and Miya is useless at them. He affectionately refer to Miya as his 'No-good' sister, but he is ... read more

The main protagonist. A schoolboy who is faithful to his own desire. He has an optimistic attitude. He is also a huge fan of animal fetishism. He is good at housework due to his parents being away often, and Miya is useless at them. He affectionately refer to Miya as his 'No-good' sister, but he is fond of her and lends a hand whenever she is in trouble. Natsuki is a friend of his sister, so they interact often. Mari is a close friend of his. Umi is like a little sister to him.

♀ f

The protagonist's classmate and mischievous friend. She is a cheerful and spirited girl who can makes friends with anyone, but she is a natural prankster that often get into a bad mood. She is not treated like a girl due to her noisy nature and tendency to make crude jokes. She is outwardly cheerful... read more

The protagonist's classmate and mischievous friend. She is a cheerful and spirited girl who can makes friends with anyone, but she is a natural prankster that often get into a bad mood. She is not treated like a girl due to her noisy nature and tendency to make crude jokes. She is outwardly cheerful and yet naive on the inside. She has feeling for the protagonist deep down, and wants to be seen as a girl despite her thinking otherwise.

♀ f

The protagonist's older step-sister, who is one year older than hi, She is the ultimate older sister who spoils the protagonist. She doesn't have much skills in most things, and relies on the MC to do the housework most of the time. She is no-good at studying and exercise, and is a girl who fails at... read more

The protagonist's older step-sister, who is one year older than hi, She is the ultimate older sister who spoils the protagonist. She doesn't have much skills in most things, and relies on the MC to do the housework most of the time. She is no-good at studying and exercise, and is a girl who fails at most of the things she does. She doesn't have much to offer, but she is a hard-worker despite it all. She is honest, gullible, and insensitive to many things. However, she sense that the MC is hiding something.

♀ f

A quiet and serious Kouhai who always has a smiling face. She stands up for the people around her, and always takes that role of a follower. She is very adaptable and is able to keep up with the protagonist's dirty talk and the bad moods of her classmates. She lives near the MC and often go to schoo... read more

A quiet and serious Kouhai who always has a smiling face. She stands up for the people around her, and always takes that role of a follower. She is very adaptable and is able to keep up with the protagonist's dirty talk and the bad moods of her classmates. She lives near the MC and often go to school together, including Miya, Since she is the youngest of the student council, she is treated like a younger sister, and she sees the protagonist as an interesting senpai.

♀ f

Miya's classmate and best friend who is always willing to support her. She has a calm personality and always speak politely. She has impeccable grade and is an all-star athlete. Because of her perfection, others tend to keep their distance, and she is friendly and caring to those she breaks the ice ... read more

Miya's classmate and best friend who is always willing to support her. She has a calm personality and always speak politely. She has impeccable grade and is an all-star athlete. Because of her perfection, others tend to keep their distance, and she is friendly and caring to those she breaks the ice with. She sometimes lecture the protagonist's on the behalf of his step-sister, who cares for him deeply. At first glance, she seems untouchable, but she has a cute side to her. She's scared of insects and reptiles, and is weak to explicit materials.

♀ f

The chemistry teacher and the school nurse, as well as the homeroom teacher. She also advises the student council. She is a suspicious person who seems to have an ulterior motive, and is unable to be read. Her hobby is to tease the students with her overflowing sexuality, and the MC is often seduced... read more

The chemistry teacher and the school nurse, as well as the homeroom teacher. She also advises the student council. She is a suspicious person who seems to have an ulterior motive, and is unable to be read. Her hobby is to tease the students with her overflowing sexuality, and the MC is often seduced. Her deadpan often makes other wonder if she's serious or joking about things. She is greatly amused by the current situation going on, and is teasing the MC and the girls involved.

♂ m

The serious friend of the MC. He can't leave people in trouble alone, and always tries to help. However, he secretly want the girls surrounding the protagonist. Because of his position as a student council member, he knows the other heroine to a certain extent and is sympathetic to the MC due to bei... read more

The serious friend of the MC. He can't leave people in trouble alone, and always tries to help. However, he secretly want the girls surrounding the protagonist. Because of his position as a student council member, he knows the other heroine to a certain extent and is sympathetic to the MC due to being aware of how bad Miya and Mari are. He helps the main characters to get to class on time.