The Lifestyle Magicians Challenge the Undersea Shrine summary: Seikatsu Majutsushitachi, Kaitei Shinden Ni Idomu / 生活魔術師達、海底神殿に挑む With over 130,000 copies sold, the hit series that attained second place in "Shousetsuka ni Narou" is finally receiving it's long awaited third manga adaptation! At Northsphere Academy, everyone treated the Lifestyle Magic Department as a joke, but turns out Lifestyle Magic is actually crazy strong... even for conquering dungeons?! In this sequel of "Lifestyle Magicians Challenge the Dungeon," the setting changes to a seaside school. It was supposed to be a very fun trip, but there's something weird happening in the island they're going to...? Once again, it looks like the Lifestyle Magic Department is about to go through some serious chaos and make another big splash.