Natsume's Book of Friends Fanfiction Recommendations

Natsume Takashi, the grandson of Natsume Reiko, inherited the "Book of Friends," made up of the contracts she left behind. Like his grandmother, he can see things invisible to other people. He has also become an outcast, shunned by those around him and called a "liar" by his peers. But as the only one to inherit Reiko's bloodline, he makes an important decision: to return, one by one, the names of the youkai Reiko took from them. Various youkai begin gathering around Natsume... The boy who can see youkai, Natsume Takashi, sets out on a journey with Nyanko-sensei, a youkai in the form of a lucky cat, to return their names, meeting many moving stories along the way...