Secret Flight -Business Class-

Continuation of Secret Flight. Yuzuru and Toshiyuki are currently in a relationship and deeply in love with each other. Toshiyuki proposes to Yuzuru to move to the apartment next to him once he gets out of the company's dorms so they'll be closer to each other. Yuzuru finds the idea appealing. Though, when a new crew member, Shoui Kouzu, enters the picture, what does it bode for the both of them?

(Source: Futekiya)

Note: Includes five extra chapters.