A birthday surprise for Haruka begins a string of hijinks celebrating the Ietanis... The now nine-year-old high schooler then settles into her role as a shogi prodigy, but she's not the only one with emerging talents. Since when do the Ietanis also have a genius barista and a pastry chef?! Kotaro Ietani looks forward to starting a fun, normal high school life...until his family appears in matching uniforms at the same high school. His dad Ichiro, his mom Shizuka, his little sister Haruka, and even Gomez the cat all join Kotaro as students in his first-year class. The whole family makes friends, joins sports, and lives out their dreams of being high schoolers—together!