Dr. Ratio (Honkai: Star Rail) Rule 34

Dr. Ratio, whose true name is Veritas Ratio, is a playable character in the video game Honkai: Star Rail. He is a member of the Intelligentsia Guild and is known for his sharp intellect and often arrogant demeanor. He has short blue hair and striking yellow eyes. His default outfit is inspired by Greco-Roman attire, featuring a black shirt, a white tunic with the Intelligentsia Guild's badge, blue pants, and golden sandals. He is frequently seen carrying a book. In fan art, Dr. Ratio is commonly depicted alongside Aventurine, with whom he shares a popular dynamic. Artists often focus on his distinctive appearance and his interactions with other characters, particularly in romantic or humorous contexts. Common tags include '2boys', 'multiple boys', 'male focus', 'blonde hair', 'yaoi', 'shirt', 'purple hair', 'speech bubble', 'black shirt', and 'hand on another's hip'.