BUR #5547 has been approved by @evazion.
create alias ootsuki_yui -> ohtsuki_yui
create alias igarashi_kyouko -> igarashi_kyoko
create alias sajou_yukimi -> sajo_yukimi
create alias hoshi_shouko -> hoshi_syoko
rename oota_yuu -> ohta_yuu
These are the official romanizations of their names.
There may be others that have the same case so this thread will serve as a topic for them.