Well unlike shinobu-time which had partial focus on hachikuji, Shinobu-mail is primarily focusing on Shinobu.
Unless for some fucking reason the put Hanekawa or some shit in the OP.
CHOCOLATE INSOMNIA IS TERRIBLE COMPARED TO THE OP'S THEY MAKE LOL.
Sakamoto: [laughter] [...] I'm old-fashioned - I don't want my work as a voice actress to get mixed up with my singing.
—What exactly do you mean by that?
Sakamoto: To me, my job as a singer is not so much a job, as it is a way of expressing myself - which is why I should write my own lyrics and sing under my own name. That's why, as a rule, I don't sing character songs.