Till the Day I Can Laugh about My Blues

ブルーを笑えるその日まで

Also known as Blue wo Waraeru Sono Hi Made, Until That Day When You Can Laugh at Blue

A goldfish in a tank, taken care of only by the protagonist, dies, and only then do the students feel sorry for it. In this world, people will be kind to you only when you die. Anne, ignored by her classmates, attends classes on the verge of breakdown, but when she meets Aina, who feels the same way, she smiles again.