original concept for the houses! i did a test for every character and got some pleasantly surprising results. the caps houses are the ones i'll most likely choose for each character.
Oikawa:
80% SLYTHERIN
64% gryffindor
56% ravenclaw
40% hufflepuff
Iwaizumi
83% GRYFFINDOR
57% hufflepuff
53% ravenclaw
14% slytherin
Matsukawa
83% SLYTHERIN
64% gryffindor
36% hufflepuff
24% ravenclaw
Hanamaki
91% HUFFLEPUFF
46% slytherin
38% gryffindor
29% ravenclaw
Yahaba
88% RAVENCLAW
86% slytherin
52% gryffindor
28% hufflepuff
Kyoutani
81% HUFFLEPUFF
53% gryffindor
38% slytherin
33% ravenclaw
Watari
78% HUFFLEPUFF
70% ravenclaw
66% gryffindor
28% slytherin
Kindaichi
82% RAVENCLAW
70% hufflepuff
48% gryffindor
38% slytherin
Kunimi
91% SLYTHERIN
79% ravenclaw
26% hufflepuff
14% gryffindor
Daichi
86% GRYFFINDOR
72% hufflepuff
46% ravenclaw
34% slytherin
Sugawara
84% HUFFLEPUFF
54% ravenclaw
20% gryffindor
4% slytherin
Asahi
86% HUFFLEPUFF
72% ravenclaw
48% gryffindor
34% slytherin
Nishinoya
76% SLYTHERIN
76% gryffindor
58% ravenclaw
30% hufflepuff
Tanaka
93% GRYFFINDOR
55% slytherin
40% hufflepuff
15% ravenclaw
Ennoshita
88% RAVENCLAW
65% hufflepuff
29% gryffindor
24% slytherin
Kageyama
74% SLYTHERIN
39% gryffindor
35% hufflepuff
14% ravenclaw
Hinata
68% HUFFLEPUFF
64% gryffindor
58% slytherin
52% ravenclaw
Tsukishima
79% SLYTHERIN
57% ravenclaw
45% gryffindor
28% hufflepuff
Yamaguchi
77% HUFFLEPUFF
72% ravenclaw
36% gryffindor
22% slytherin
Kuroo
77% GRYFFINDOR
65% slytherin
43% ravenclaw
21% hufflepuff
Yaku
84% RAVENCLAW
58% hufflepuff
45% slytherin
21% gryffindor
Kenma
68% HUFFLEPUFF
64% ravenclaw
54% slytherin
54% gryffindor
Lev
70% SLYTHERIN
64% gryffindor
64% hufflepuff
38% ravenclaw
Bokuto
86% HUFFLEPUFF
62% slytherin
50% gryffindor
40% ravenclaw
Akaashi
93% RAVENCLAW
62% slytherin
44% hufflepuff
10% gryffindor
Ushijima
80% GRYFFINDOR
66% ravenclaw
58% slytherin
36% hufflepuff
Terushima
84% GRYFFINDOR
58% hufflepuff
40% slytherin
22% ravenclaw
Kiyoko
86% RAVENCLAW
68% hufflepuff
46% gryffindor
36% slytherin
Yachi
79% HUFFLEPUFF
26% ravenclaw
17% gryffindor
8% slytherin