비자 받은 후, 재입국 허가서 필요한가요?

<div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://pf.kakao.com/_wDjjj" data-link-newwindow="_blank"><a href="https://pf.kakao.com/_wDjjj" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/pxQB/4b445348bf78e05fc27eb375440c5ff3e4b80ada" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/4b445348bf78e05fc27eb375440c5ff3e4b80ada" data-origin-width="1188" data-origin-height="140"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://cafe.daum.net/osakalife/LkJK" data-link-newwindow="_blank"><a href="https://cafe.daum.net/osakalife/LkJK" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/pxQB/0b1fbb62a98377c400dcb1b651de8e2352d1b7d1" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/0b1fbb62a98377c400dcb1b651de8e2352d1b7d1" data-origin-width="1188" data-origin-height="87"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://cafe.daum.net/osakalife/LtdV" data-link-newwindow="_blank"><a href="https://cafe.daum.net/osakalife/LtdV" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/pxQB/111598092415f6a5baaac5ab6f93102534bb150c" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/111598092415f6a5baaac5ab6f93102534bb150c" data-origin-width="4950" data-origin-height="363"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://bamboo7.jp/" data-link-newwindow="_blank"><a href="https://bamboo7.jp/" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/pxQB/60fe80eb747057cff029d2614edc9776cad3de50" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/60fe80eb747057cff029d2614edc9776cad3de50" data-origin-width="1188" data-origin-height="86"></a></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://cafe.daum.net/osakalife/AATM/84" data-link-newwindow="_blank"><a href="https://cafe.daum.net/osakalife/AATM/84" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/pxQB/68ec67fcc468dfb1fed68a2cd2462af249a54a0f" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/68ec67fcc468dfb1fed68a2cd2462af249a54a0f" data-origin-width="4950" data-origin-height="359"></a></div><p> </p><p> 회사에서 就労ビザ를 받았습니다만, <br>한국 출장이 많아 한달에 한번씩은 한국 갈 것 같은데, 재입국허가서와 같은 절차는 필요없이 그냥 왔다갔다할 수 있나요?<br>(예전 유학시절에는 재입국허가서를 따로 받아서 진행했던 것 같아서 걱정스러워서 문의드립니다..)</p><p> </p><p> </p><p> </p><p> </p><p> </p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/pxQB/a47a4e924cb756af86663064dbb2b795c6319d73" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/pxQB/a47a4e924cb756af86663064dbb2b795c6319d73" data-origin-width="1188" data-origin-height="52"></div><p> </p><p> </p><p> </p><p> </p>