Hajime Tenga

Appearance
Tenga has hazel eyes, spiky, pink hair with a small area of darkened hair near his ahoge and wears green glasses. He appears wearing his School uniform, but he wearing bright yellow shirt instead white shirt and red shoes stick out the most. He appears to be around 185 cm.

Personality
Tenga is a delinquent who is impulsive and rowdy to the point of being obnoxious, but does have good leadership qualities and seems to be caring as well. Despite receiving the nickname "Mad Dog", he suffers from an intense case of cynophobia. He appears to be somewhat dirty minded as he intended to violate Sonozaki.

Abilities
Tenga is shown to be very strong, being able to send the bullies that are bullying Katsuhira Agata flying away in one swing from his fist. Also despite his delinquent qualities he is shown to be very deductive as shown when he makes a conclusion as to how the numbers represent one of them and also when he deduces that Mika is suffering a broken heart.

Plot
First introduced in Episode One. Tenga is shown helping Katsuhira out, as the boy is being bullied by a couple of kids who have been harassing him for years. After scaring the bullies away, Tenga discovers that Katsuhira cannot actually feel pain. He tests this out and accidentally knocks the other male out. Sonozaki then appears, taking the two with her to perform the experiments.

In Episode Four Tenga also helps Chidori out by becoming her 'wingman' after he realizes that she still has love for her childhood crush, Katsuhira.