1-4: Hasegawa, local businessman who dislikes otaku, realizes that he has fallen in love with Akiba, his clumsy, sweet otaku friend. Light nsfw on the last pages of the story
5: Oneshot about Haru, who has been in love with his childhood best friend forever, even when he moved to America for 6 years. But now Genta is back and, spoiler, Genta is in love with Haru. Very light nsfw, mentions of masturbation/erections
Akihabara Fall In Love