Well, 'Sword Art Online' can also be considered in a way. Although it's not a pure isekai in the traditional sense as the characters are trapped in a virtual world. But Kirito, the main character, becomes very OP as he progresses through the game world. He has excellent sword skills and adapts quickly to different situations.
One popular 'isekai op character light novel' is 'Overlord'. In this novel, the main character Momonga is extremely powerful as he gets transported to a new world. He has the abilities and knowledge from his previous gaming life which makes him OP in the new world.
Sure. 'Overlord' is a great one. The main character is extremely overpowered in an isekai world. He starts as a powerful undead lord and has to navigate through various challenges in the new world.
Sure. 'Overlord' is a great one. The main character is extremely overpowered as he gets transported to a new world. He has incredible strength and abilities from the start which makes his adventures in the isekai world very interesting.
One popular isekai op novel is 'Overlord'. In this novel, the main character is transported to a different world with extremely powerful abilities. He has to navigate this new world while being almost overpowered compared to the native inhabitants. Another great one is 'Tensei Shitara Slime Datta Ken'. The protagonist, reincarnated as a slime, quickly gains OP (overpowered) abilities and builds his own nation in the isekai world. There's also 'No Game No Life' where the siblings are transported to a world ruled by games and they possess incredible skills and intelligence that make them OP in this new realm.
Sure. 'Overlord' is a great isekai novel with an OP main character. Momonga, the protagonist, gets transported to another world and has incredible power from the start. Another one is 'That Time I Got Reincarnated as a Slime'. Rimuru starts off as a slime but quickly becomes very powerful in the new world.
I'm not entirely sure which 'bettayel then op light novel' you specifically mean. There are many great light novels out there. You could try looking for popular ones like 'Sword Art Online' or 'Overlord'. They have interesting storylines, well - developed characters, and engaging worlds.
The theme of harem or multiple relationships also exists in some 'op isekai light novel'. The OP male protagonist often attracts female characters. In 'In Another World With My Smartphone', the main character has multiple female companions around him. This adds a romantic or relationship - based sub - plot to the overall story of the isekai adventure and power growth.
The world - building is crucial. A good op isekai novel needs a vividly described fantasy world. You should think about the rules of this world, the different races and species, and how magic or special powers work. This will help set the stage for the OP character to shine. Also, include a strong plot. There should be challenges for the OP character to face, even if they seem unbeatable at first. Maybe they have to deal with political intrigue or a powerful enemy that can match their strength in some ways.
Sure. 'Re:Monster' is a great isekai mob light novel. It follows the story of a guy who gets reincarnated as a goblin in another world and uses his wits to become stronger. Another one is 'That Time I Got Reincarnated as a Slime'. The protagonist, Rimuru, starts as a weak slime but gradually builds his own nation in the isekai world.
Well, 'Kumo Desu ga, Nani ka?' (So I'm a Spider, So What?) can be considered in this category to some extent. The main character is reincarnated as a spider in a dungeon. It's different from the typical'mom isekai' as it focuses more on the survival and growth of the spider - girl. But it still has the isekai element where the character has to adapt to a new world. There are also interesting power - up systems and interactions with other creatures in the story.