Yonayona. - Kon'ya mo Nonde Wasuremashou

Hagi and Fukuhisa are sister and brother with opposite personalities who come to live together for the first time in eight years. Each of them is having a hard time living in their own way,
Sometimes, they feel blurred and want to jitter around in agony. They drink, cook and eat delicious food, and complain to their roommates. They live a normal life together. There's a lot going on, but that's OK.
A story of the two lifes of the older sister, who is a rough drinker, and the younger brother, who likes to cook and is cool.