The anime you are describing is (Japanese title: Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu! ). 📺 Anime Profile
Available in certain regions with official licensing. 🛠️ Quick Guide for Unofficial Sites If you choose to use sites like Oploverz or Animeindo : High School Prodigies Have It Easy Even In Another World
While you mentioned sites like and Animeindo , please be aware that these are unofficial streaming sites that often face domain changes or shutdowns due to copyright. 🎬 Recommended Legal Options
A popular choice in Southeast Asia for legal anime streaming with "Indo Sub".