Another Overpowered Isekai

When a mysterious portal engulfs a group of young adults and teenagers during a routine camping trip, they find themselves thrust into a perilous alternate world teeming with monstrous creatures. As they struggle to comprehend their new reality, they learn that Earth is on the brink of a similar catastrophe, and they are the chosen defenders tasked with training to save both worlds. Among them is Raiku, a boy whose latent psychic abilities become crucial in their fight against the encroaching darkness. As Raiku delves deeper into his powers, he uncovers startling truths about his family's enigmatic past, revealing a connection that spans across the realms. With each battle, the group grows stronger, forging bonds of friendship and loyalty amidst the chaos. But as they uncover the true extent of the threat, they realize that victory may come at a steep price, testing their resolve and challenging their beliefs. As Earth's fate hangs in the balance, Raiku and his companions must confront their inner demons and harness their newfound abilities to stand against the looming darkness. Will they succeed in their quest to protect both worlds, or will they succumb to the shadows that threaten to engulf them all?