Crying Clown's Wedding (2016)

Kanami is an apprentice pierrot and dreams of making people laugh. She falls in love with Yosuke who is a dialysis patient. He forgets to smile. To make Yosuke smile, Kanami decides to have a smile no matter what. Yosuke begins to have feelings to her and they decide to marry. On the day before their wedding Yosuke collapses.