Personalized Kawaii Octopus Daddy's Sweetheart T-Shirt. Kawaii Octopus Daddy's Sweetheart design is the perfect gift for any little girl who loves octopuses! This design is cute and kawaii, and is sure to bring a smile to any child's face. The design features a sweet octopus daddy and his little girl, and is perfect for any father-daughter duo. This design is sure to become a treasured keepsake for any family. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.