Hiroyuki Tsunekawa is a character in the dark and twisted world of 'Litchi☆Hikari Club,' a manga and anime series known for its themes of madness and obsession. Hiroyuki is a member of the Hikari Club, a group of young boys led by the charismatic and fanatical Zera. The club is dedicated to creating a perfect artificial intelligence using a machine powered by lychee fruits. Although not as prominent as some of the other members, Hiroyuki's loyalty and actions contribute to the overall atmosphere of tension and moral decay within the club, reflecting the series' exploration of innocence corrupted by power and ambition.