ネコ科彼氏のあやし方 [Nekoka Kareshi no Ayashikata] (Kuroneko)

コーフンしたり、びっくりしたりすると三毛猫になっちゃう猫科人間の九重（ここのえ）。
ある朝、三毛猫化した九重は、運命の男と出会う!!　
指先一本で初対面の九重をゴロゴロ言わせる、超絶撫でテクを持つ彼の名は夏目（なつめ）。
猫化コントロールが下手な九重は、夏目のキモチイイ指に負けないように頑張るが……!?

テクニシャン白衣×ネコ耳男子のラブレッスン☆


Summary from Mangaupdates :

Kokonoe is a werecat who turns into a cat when he is excited. Destiny has it that one morning, Kokonoe, runs into Natsume, who seems to have a special relationship with cats. With Natsume's touch, Kokonoe soons finds himself purring and getting excited. However, Kokonoe is determined to keep his cat side and the feelings he has for Natsume under control.

How will their love blossom? A love lesson between a white coat school doctor and a werecat.