Tenohira Kaitaku Mura De Isekai Kenkokuki: Fueteku Yome-Tachi To Nonbiri Mujintou Life

Kai, a sickly kid, wished for a lively normal life on his deathbed when he was suddenly reincarnated into another world. Not only the boy’s wishes were fulfilled, he was also gifted an ability to be a god of his own little world at the back of his palm. Yet such bliss did not last long… Kai was abruptly separated from his loving adopted family and banished into an uninhabited island teeming with dangerous creatures. Using his ingenious wit and a help from a mysterious horned girl, Kai managed to survive and establish a small foothold with his army of cute stubby helpers. Watch as Kai tries to further tame this wilderness, building up his sanctuary and harem. Easy living!(https://ja.wikipedia.org/wiki/%E3%81%A6%E3%81%AE%E3%81%B2%E3%82%89%E9%96%8B%E6%8B%93%E6%9D%91%E3%81%A7%E7%95%B0%E4%B8%96%E7%95%8C%E5%BB%BA%E5%9B%BD%E8%A8%98%E3%80%9C%E5%A2%97%E3%81%88%E3%81%A6%E3%81%8F%E5%AB%81%E3%81%9F%E3%81%A1%E3%81%A8%E3%81%AE%E3%82%93%E3%81%B3%E3%82%8A%E7%84%A1%E4%BA%BA%E5%B3%B6%E3%83%A9%E3%82%A4%E3%83%95%E3%80%9C)