This charming picture book introduces Kai, a merboy who loves to give big, squishy hugs. The narrative follows Kai as he learns that his friends have diverse preferences for showing affection, ranging from fin bumps to tail claps. The book handles the sensitive topic of consent and personal space with remarkable gentleness and clarity, making it highly accessible for young children. The emotional arc is consistently heartwarming and playful, emphasizing understanding and respect over conflict. This book is specifically for children aged 4-8 who are learning about social interactions, making new friends, or who might be overly physically affectionate themselves. A parent might reach for this when their child is starting preschool or kindergarten, or if they notice their child struggling with understanding personal boundaries. Parents should preview the book to discuss the various ways characters show affection and reinforce the idea of asking before touching. Younger children will enjoy the playful mer-creatures and the simple message, while older children (up to 11) can engage in deeper discussions about consent and empathy. Its unique underwater setting and diverse cast of mer-friends make it a fresh take on a crucial social-emotional lesson.