Oreimo
Episode 3
S1 E3:
Kirino finds her first otaku friends at the IRL meet: "Kuroneko" and "Saori Bajeena." They spend their days deep in discussions over their otaku interests. Seeing Kirino this way puts Kyousuke's mind at ease. Then, just as he thinks his "advice" to her is over and he can get back to his old life. he senses an alarming presence when he comes home one day...