Did the Villain Act Too Cute Towards Shizun?

Sweet-on-the-surface, but actually dark/ initially-pretend-to-be-innocent puppy-like, but later, possessive and obsessive!GongxStrict and cool/ gentle yet reserved Shizun!Shou To raise a villain well and prevent their fall, you must start early on. As an unlucky shizun that was killed by his student who turned into the corrupted villain, Gu Ruochen who had transmigrated into this world decided to— Bring the villain back home while he was still in his harmless kitten form. Having learned from past mistakes, he patiently guided the villain from a young age, spoiling and coaxing him, not allowing him to suffer any pain. (Well, maybe a little.) The protagonist has the ultimate core, and the...