[quote=@Prince of Seraphs]
I won't deny that Sapphire might cheat on him depending on how there relationship is going but NEVER in a million years with Shiro.
[/quote]

Well....that's one consolation. 

But I must admit, Oswald would probably be a shitty boyfriend. Loyal to a fault, but devoted to the cause above all else. Would probably take a lot of time to realize how a romantic relationship would actually work.