add more missing relations; add more nullables
add more missing relations; add more nullables

notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,notbakaneko/osu-web,ppy/osu-web,notbakaneko/osu-web,ppy/osu-web,ppy/osu-web