The Incompetent Brother and Sister in the Special Ability Academy Seem to Have no Motivation

The Incompetent Brother and Sister in the Special Ability Academy Seem to Have no Motivation summary:

The debut of the unmotivated brother and sister who get stronger the more intimate they are! Year 2050, relying on advanced technology special abilities have now become a reality, but people that can obtain them are only the very few “geniuses”.
A certain month in the year 2073, the no ability brother and sister that can share a percentage of memories, spirit along with intelligence based on the degree of intimacy, to win the “Hundred Night Festival” compet.i.tion attended by those with special abilities…
(PS : The day when s.h.i.+ro and sora are pervert idiot)