♂ m

The protagonist. He loves insects and is infamously known as the insect doctor in his class. He is a believer in the Sunpponpon God. He has an honest personality, but he always does stupid things in front of girls. He is always bowing down to three girls in particular and tries to make them recogn... read more

The protagonist. He loves insects and is infamously known as the insect doctor in his class. He is a believer in the Sunpponpon God. He has an honest personality, but he always does stupid things in front of girls. He is always bowing down to three girls in particular and tries to make them recognize him little by little through his research. The girls treat him like a dog.

♀ f

A girl who is the same class as Koudai. She doesn't go to school very often due to illness. She is a shy girl. Fortunately for her naivete, she becomes a friend of koudai. She is tall for her age and has the most growth out of all the girls.

♀ f

One of the 3 girls in the same class group as Koudai. She has a personality that makes her always want to be the center of attention and decide all rules by herself. For the group research project during the summer vacation, she proposed to research sex because no one in class has ever before prese... read more

One of the 3 girls in the same class group as Koudai. She has a personality that makes her always want to be the center of attention and decide all rules by herself. For the group research project during the summer vacation, she proposed to research sex because no one in class has ever before presented it.

♀ f

She is the homeroom teacher of Koudai's class. She is a new teacher. She is beautiful and is popular among her students. She is surprised to learn about Koudai's research project and is asked by him to join. She is motherly but weak in the face of pressure.

♀ f

One of the 3 girls in Koudai's group. A girl with classes. She is smart and her grades are among the highest in the class. She doesn't self promote herself as much as Jasmin but she is a leader in her own right. She and Jasmin often clash with each other.

♀ f

One of the 3 girls in Koudai's group. She is good at sports. She is especially fast on her feet and can even beat the boys. She is the most mature among the 3 girls, so she acts as a mediator in their fights. She has younger twin sisters and is related to Koudai.

♀ f

Koudai's older sister. She is a modern schoolgirl who is taking her school life for granted. She is a little annoyed with her overly energetic little brother. She is aware of the Supponpon God.