This troper always hears him as Akihiko, personally.
Jess looks exactly like Sakura, right down to the green eyes. Her character ending does not help this and the fact that she's voiced by Kate Higgins helps even less.
Amusingly, the Emcee for the school trivia contest is the same as the Emcee for the beauty pageant in Persona 4.
Akira Ishida is the Japanese voice of Vayne. As a reference to Gundam Seed's Athrun, one of his most famous roles, an optional boss called Armed Brownie is a mook in a Humongous Mecha. One of its attacks is "Awaken Seed," which involves spinning a giant seed above its head which then explodes.