Mako-san wa Shindemo Jiritsu Shinai

It's been a whole year since Rin Touno moved to a boarding house in Tokyo in order to attend high school. Back then, the landlord made Rin an offer he couldn’t refuse: if he looked after the landlord’s granddaughter, he wouldn’t have to pay any rent. However, said granddaughter, Mako Kurihashi, turned out to be a sloppy 20-year-old college student...