This is a very good manga XD It has only 7 chapters included extra . It is short but very is a fun trip :) So its basically about grandpa's grandchildren love story <3 . Haruhito which is the guy that loves misaki , his grandpa likes misaki's grandpa. But was unable to confess his love for him because he scared of getting reject or wadsoever reason. But this time , his grandchildren , haruhito confessed his love for misaki out in the open public freely which is what his grandpa has always wanted to do but was unable to do so. From then on slowly develop the love between haruhito and misaki and story of their grandpas :D