potential of 来る (kuru, “to be able to come”)

next / coming / future

receiving, and not giving anything in return

out of order

(idiomatic) A piece of cake; an extremely simple thing, something trivial, a cinch, easy as pie.

朝飯前: A piece of cake; an extremely simple thing.

(telephony) a common Japanese telephone greeting: hello; used when answering the telephone / used to confirm that the person being addressed is listening, or to confirm if anyone is listening

put away

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary