Coming to Japan; visiting or arriving in Japan (often used in formal or news contexts).
有名な学者が来日して講演を行った。
A famous scholar came to Japan and gave a lecture.
来日予定の外国要人は警備が強化された。
Security was reinforced for the foreign dignitary scheduled to visit Japan.
彼女の来日に合わせて歓迎会を開いた。
We held a welcome party to coincide with her visit to Japan.