Hizamazuite Ai wo Tou  

Kneel Down and Ask Love, 跪いて愛を問う

In this universe, there are individuals known as "Subs" and "Doms." Subs desire submission, while Doms seek dominance over others. Masami operates in an establishment exclusively catering to Subs, under the directive of Yuusei, a newcomer to the school.