Through the Sky's Viewfinder [Completed]

WARNING BxB-Tsuna have his heart broken by his Cloud and drowned himself with works. Reborn can no longer stand this situation and send Tsuna for vacation and Tsuna demand that he will be alone and where he go is a SECRET. Meeting someone that was in the same situation as him, Tsuna could not help but to fall for him but before he could claim his happiness, a war broke out! [G27]