My Lovey-Dovey Wife is a Stone Cold Killer Vol. 6

"NOT EVEN A PRO-ASSASSIN CAN AVOID A PRO-FAN! Setsuna and her hubby find new ways to spend some free time together: watching movies, exercising, and even playing children's games. Later, "Boss" asks them to attend her school's Parent Day, since her parents are both too busy to come. Between these outings and Setsuna acquiring a new admirer who follows her everywhere, the couple's days together are busy!"--