Considering there's [i]no way[/i] Yuu and Risette are gonna travel together... Doesn't this mean Ryuuichii's gonna become a harem-protagonist?

Lina
risette + Scarlet
Hazel
4x AI Camphors

[b]EDIT:[/b]

Oh, and if Lina gets her way, throw Melissa into that group too. xD