Secret Island

If you enjoy Isekai stories, then this is a visual novel that is sure to excite you. Set in a modern fantasy world, you play as a main character who finds himself drawn into an unexpected war where he gets wounded. Luckily for him, he ends up on a secret island being rescued by an enigmatic group of hot women. Naturally, he starts settling into his new home peacefully, establishing relationships with them and even engaging in tons of nakadashi. However, he soon discovers that these bishōjo are hiding secrets and he is not even allowed to leave the island. This is a suspenseful eroge filled with all manner of mysteries and it's up to you to unravel the lore of this new world!