Adult PC Game: Tales of Lontebia v0.1.1 by Maniwa Archive

You always wanted to be an adventurer, but as the heir to the throne, you were rarely allowed to leave the castle. Now that you're older, you've finally managed to convince your mother (The Queen) to let you join her as she is travelling across the kingdom. However, you are attacked by unknown forces. One of the knights rescue you and you both hide in a small town at the edge of the border. Your journey begins here.​