Movie where the mom walks into ocean to commit suicide

The story of three women searching for more potent, meaningful lives. Each is alive at a different time and place, all are linked by their yearnings and their fears. Their stories intertwine, and finally come together in a surprising, transcendent moment of shared recognition.

Your whole outlook on life can change in an instant. Takuto Sawada (Haruma Miura) is your average college student. But one day, he finds out that he has ALS (Lou Gehrig's disease) and only has a short time to live. How will he choose to spend the remaining days of his precious life?