Brothers

Chris Watanabe, a high school teacher, gains a stepbrother named Wataru after his father remarries. Wataru, an English speaker, enrolls at Chris's school. Shortly after the family begins adjusting to their new dynamic, both of their parents die in a plane crash, leaving Chris and Wataru to live together alone. The older brother is described as cute, while the younger is cool. The story explores what their shared future might look like.