According to the information on her wiki page, Saeko Busujima, with a height of 174 cm (5 feet, 8.504 inches) and a weights of 56 kg (123.5 pounds), she has a body amss index of 18.5, which is in the "normal range" which extends from a 18.5 to 25.
Also, her bust of 83 cm (2 feet, 8.677 inches) is 3.6 times larger than the inner radius of a NBA basketball rim.
22.214.171.124 wrote: It's kind of sad and awkward to see that out of all the girls, Saeko has the smallest body proportions. How? I have no idea. Makes no sense to me, and you cant really tell by looking.
And at the same time as having the smallest proportions, she weighs the most. How that is physically possible? Beats me.
(all of this is excluding Marika)
Muscle weighs a lot. She's a kendo club leader, so she very likely has well-toned muscles. which would make her weigh that much.