The crimson fish in "Star Dew Grain" is an important special fish in the game. If you want to get the crimson fish, you need to get fishing skills to reach level 5, and then on the summer tide pond (east side of the beach wooden bridge) At the outermost side of the beach or pier on the right side, it has a probability of hooking more than 3 square meters.
How to get the Studius Story Crimson Fish
Crimson Fish: Mixed type, requires fishing level 5 (food buff, enchantment entry bonus), and the outermost side of the right side of the tidal tidal pond (east side of the beach wooden bridge) above.
One of the legendary fish, a single character can only be caught once.