Instruction
You say stuff to a river, giving it instruction. This river is a new river so it needs you to say things, giving it instruction on what to do. Otherwise the river wouldn’t know how to behave.
くん
よ
None
While giving instruction to the river, you see a small boat coming down it. Inside the miniature boat is a raccoon (くん) captain and his raccoon crew. The raccoon captain is instructing them, “Stroke! Stroke!”