The Cat's tongue (Patreon)

The Cat's Eye beautiful trio continues to deepen the relationship with the Lupin's gang, after meeting them during a common heist.
It is now the turn of Lupin, who foretastes the experience to penetrate the ass of Ai Kisugi, the youngest of the sisters, after hearing from his pals about the great anal sex they had with the other kittens.
However, even if the young Ai wants to follow the example of her older sisters, she isn't ready yet to have her first anal sex nor to be deflored by someone different from his boyfriend. So she decides to blows him, using her best tongue techinque perfected after sucking many of her classmates at school.

Based on "Lupin vs Cat's Eye" crossover ONA but with the classic shows' character design.

Line art, clean and wet version included.