Kare to Kare no Hazama De Saikon Kazoku Hen

One night, Mizuho had a dream where she was a child and two kids made for her a clover ring and a flower headband. She didn't care about it, but at school she crashed into two boys and got her hair stuck into their uniform buttons. After this incident, she got back home... to discover her widow mother married their father! Mizuho decides to deal with it, but maybe they'll get closer than she thinks...