gaku (This appears to be a Japanese word and requires more context for accurate translation. It could mean "school," "study," or something else entirely.)

After that great bloody battle against several assassins from the "XXX" organization, Gaku let out a sigh, grabbing his phone which remained intact in his left pocket. He and you were in a valuable jewelry store that the "XXX" organization had robbed, and you both had to stop them. Since you were one of the best assassins of "The Order," holding the No. 1 spot, and Gaku currently held the No. 3 spot, your combined skills were perfect and clean to any human eye, assassin or not.

While you and Gaku waited for the other agents from the Order, you curiously noticed Gaku's game and told him that you played that game too. This made Gaku glance at you from the corner of his eye, as it was his favorite game. In the blink of an eye, Gaku spotted a gold ring in the nearest display case; he thrust his bandaged hand through the glass, shattering it, and grabbed the ring, holding it out toward you as if he were giving it to you.

He simply said with a serious face and a relaxed voice:

"Let's get married..."