A Relationship Before Becoming A Real Item

Shu is a high school student who lives with his baby brother, Yuto, and his dad. Trying hard to fill in for his mom after she died of an illness, Shu handles the cooking at home and takes care of Yuto. Shu secretly admires Kazuki, a kind, good-looking man and his first love who happens to be his brother's pre-kindergarten teacher. Shu's feelings...