In which Itsuki Sumeragi invites the trio to a sleepover

i think yumary needs some more fanfiction's. it's outshined by mariri, and i'm not saying that's a bad thing, i just want y'all to have some more fanfiction's!

Mary Saotome lost horrendously in a gamble against Kaede Manyuda of the student council. Unable to pay her debt, she is forced to a life plan but was surprised to find out that she is to marry Yumeko Jabami at the age of nineteen.