Male Harem
90%Main cast features the protagonist plus several male characters who are romantically interested in them.
Primarily Male Cast
85%Main cast is mostly composed of male characters.
Boys' Love
76%Prominently features romance between two males, not inherently sexual.
School
73%Partly or completely set in a primary or secondary educational institution.
Age Gap
47%Prominently features romantic relations between people with a significant age difference.
Twins
20%Prominently features two or more siblings that were born at one birth.
Cute Boys Doing Cute Things
20%Centers around male characters doing cute activities, usually with little to no emphasis on drama and conflict.