apathysyndr0me about 9 years ago Btw, what it means is "Mokou's and Keine's one happy lifetime" but I couldn't think of any way to fit the subordinate clause. Maybe someone can think a better wording for it.
Psylarduck almost 8 years ago I think that "Fujiwara Mokou's, who lives a million times, and Kamishirasawa Keine's one happy lifetime" works well for the title.