Hiroshi is a fictional character in Kunio-kun series. He is Kunio's best friend in the original Nekketsu Kōha Kunio-kun game. In the games he appears in, Kunio usually goes out of his to ensure his safety whenever he's in danger.
Hiroshi is a person who admires Kunio because of his benevolence and strength. He rarely gets involved into fights, but tries to help Kunio and his other friends whenever he can by being an informant in his adventures. He yearns to be a badass someday.
Nekketsu Kōha Kunio-kunIn the arcade version of the game, he is beaten by different gangs, each led by Riki, Shinji, Misuzu, and Sabu before the start of each stage, prompting Kunio to avenge him. After defeating Sabu at the end of the game, Kunio comes out of the building only to see Hiroshi and the other students of Nekketsu High School cheering for him on his victory. Kunio and Hiroshi then shake hands. In the Famicom, he is kidnapped by Sabu, and Kunio must rescue him.
In the beginning of the game, he was first harassed by thugs in the Union who mistaken him for Sakuramiya student due to his white uniform, only to be rescued by Kunio. He wants to meet with a friend name Miho for an important discussion which involves schools in Osaka being taken over by the Osaka State Union. He tries to help her along with Kunio to fight them. Later on, Kunio and Hiroshi were ambushed by Nakazaki and his gang when they heard about the Alliance they formed. Hiroshi tried to fight back, but was injured gravely as a result.
Early in the game, Hiroshi has a discussion with Kunio and Riki about how the school has changed during their jail time. Later on, he meets the two after their prison break and runs along them. When they evade from the police, Hiroshi was told to stick around outside of Nekketsu High School just in case something happens.
- According to his bio in River City Super Sports Challenge: All Stars Special, Hiroshi's hobby is watching gangster movies.