Nekottake!

Kensuke Fuji is a high school student who loves cats, but his family's allergies have kept him from spending much time with them. He encounters someone known as the Ultimate Cat Whisperer, who appears to have an extraordinary understanding of felines. Inspired, Kensuke chooses to apprentice under this eccentric cat expert, beginning his training in the Cat Fist Way. Through this, he gains access to a hidden realm of cats.