If you haven't checked the Visual Novel Database yet, then try thisor this. The first one is for Kemonomimi heroine and second more specifically Nekomimi Heroine. Only the more popular ones are listed there though most likely as only they get tagged.
Can you reupload these link in katfile?
[200125][MooNSHINeR] 私語夜話~ちじょ搾精04~「お外でしましょ? 露出大好きな後輩彼女」[RJ275667]
[190322][MooNSHINeR] 自分と兄の股間に興味津々ないもうと [RJ248442]
[190725] [MooNSHINeR] ずっと年下だけど包容力のあるいもうと[RJ258473]
Thanks!