Cool na Otto wo Koi ni Otosu Houhou summary:
[from cotton candy scans]
“Starting from today, I’ll be your husband.”
The person I’ve admired for so long suddenly becomes my “husband?!" Takatsuki Honoka, 22 years old. I’ve been crushing on someone since I was in high school. He’s my father’s subordinate, the cool and handsome, yet super kind Nagakura Kousuke-san. One day, Kousuke-san suddenly becomes my “husband…!”
“Honoka…” Kousuke whispered into a confused Honoka’s ear…?