I Fell for My Friend's Older Sister + My Older Sister's Friend is Annoying 2

Haruto and Nao's relationships are going well, but that doesn't mean there aren't roadblocks to overcome. A change in Haruto's personality has Rio on edge about her immaturity, and Sena's so used to men treating her like a temporary plaything that she barely seems aware she and Nao are dating. How can the two boys help their girlfriends realize how special they are?