sir. sir. He is a highschooler. Dad hired a 'mom' to help raise his son, but the 'mom' flirts with the oldest tsun tsun son. if it had a final push then this would be five star materials. A few things I would have liked: A final chapter with a more solid ending, to see the seme's picture book that they literally never showed, and more of the youngest brothers.
Kohinata-san Chi no Chounan wa Fukigen