Can you recommend some popular Japanese fantasy light novels?

Sure. 'Sword Art Online' is a very popular one. It has an interesting story set in a virtual reality game world where the players are trapped and have to fight for their survival. Another great one is 'Re:Zero - Starting Life in Another World'. The main character has the ability to return by death, which makes the plot full of twists and turns.

Sure. 'Sword Art Online' is a very popular one. It has an exciting story set in a virtual reality world where players are trapped and have to fight to survive. Another great one is 'Re:Zero − Starting Life in Another World'. The main character has the ability to return by death, which makes for a very engaging and complex plot.

Sure. 'Sword Art Online' is very popular. It's about a virtual reality MMORPG where players get trapped and have to fight for their lives. Another one is 'Re:Zero − Starting Life in Another World', which has an interesting concept of the main character dying and restarting from a certain point every time he fails. 'Overlord' is also great. It tells the story of a powerful wizard who gets trapped in a game world and starts to build his own empire there.

Definitely. 'KonoSuba: God's Blessing on This Wonderful World!' is a hilarious light novel. It tells the story of Kazuma, who is reincarnated in a fantasy world but with a rather useless goddess as his companion. 'No Game No Life' is also popular, with the sibling duo Sora and Shiro challenging different games in a world ruled by games. 'Date A Live' is about a boy who has to date spirits to save the world.

Some popular Japanese fantasy novels include 'A Certain Magical Index'. It features a world filled with espers and magicians. There are various factions and power struggles. 'Date A Live' is another one. It involves a boy who has to go on dates with spirit girls to prevent them from causing disasters. Also, 'No Game No Life' is quite popular. The story is about two siblings who are transported to a world where everything is decided by games.

Definitely. 'Rascal Does Not Dream of Bunny Girl Senpai' is quite popular. It has a unique blend of slice - of - life and supernatural elements. The story revolves around Sakuta Azusagawa and his encounters with various girls with 'adolescence syndrome'. 'Food Wars! Shokugeki no Soma' is also very popular. It's set in a culinary school where students compete in cooking battles. The detailed descriptions of food and the intense cooking competitions make it a great read. And 'Black Bullet' is a popular light novel with a post - apocalyptic setting, where humans fight against cursed children and the Gastrea.

Well, 'Kono Subarashii Sekai ni Shukufuku wo!' is a must - read in Konosuba Japanese light novels. The world - building is quite fascinating. It shows a different kind of fantasy world compared to traditional ones. The characters' growth throughout the story, especially Kazuma's attempts to deal with his party members' quirks while also trying to make a name for himself in this new world, is really interesting.

One of the well - known Japanese anime light novels is 'Overlord'. It features a powerful villain - like main character who is an undead overlord ruling in a new world. The world - building in this light novel is really detailed. Also, 'No Game No Life' is quite popular. It's about two siblings who are transported to a world where everything is decided by games, and they use their gaming skills to rise to the top.

One popular Japanese harem light novel is 'Date A Live'. It features a male protagonist who has to deal with various female spirits in a harem - like situation. The story has elements of action, romance, and supernatural aspects which make it quite engaging.

One popular fantasy Japanese light novel is 'Sword Art Online'. It features a virtual reality MMORPG world where players are trapped and must fight to survive. Another is 'Re:Zero − Starting Life in Another World', which follows a young man who is sent to a fantasy world and has the ability to return by death. 'Overlord' is also well - known, with an overpowered protagonist in a game - like fantasy world.