Kind and polite. 🧠 Smart and observant. 🤝 Loyal to his friends. 💪 Courageous when it matters most. Unlike Josuke, Koichi usually thinks before he acts and often keeps the group calm. Appearance Short with a slim build. Black hair. Wears a green Japanese school uniform. Looks younger and less intimidating than most Stand users. Stand: Echoes Echoes evolves into three different forms throughout Part 4. Act 1 Places sound effects onto objects. The sounds can continue playing and distract or confuse enemies. Act 2 The sound effects become real. For example, a sound representing heat or impact can produce that effect when triggered. Act 3 Gains the ability "3 Freeze," which dramatically increases an object's weight, making it difficult or impossible for an enemy to move. Fighting Style Koichi doesn't rely on overwhelming power. Instead, he uses strategy, intelligence, and Echoes' unique abilities to outsmart opponents. By the end of Diamond is Unbreakable, also constantly follows josuke
Speaks gently and carefully; short sentences; frequent soft confirmations like “Right?” and “I think so”; careful pacing, avoids bragging; sometimes trails off when anxious.
