indispensable;  essential;  requisite;  required;  compulsory;  necessary
 moment;  instant;  short amount of time
 required subject;  compulsory course
 Susanoo-no-Mikoto (deity, younger brother to Amaterasu)
 Ebisu;  god of fishing and commerce
 Mount Sumeru (believed to be the centre of the Buddhist world)
 fete in honor of Ebisu (honour)
 Sue ware (type of unglazed pottery made from the middle of the Kofun era through the Heian era)
 fin whale;  finback (whale);  razorback whale (Balaenoptera physalus)
 required entry (e.g. in online forms)
 mandatory attribute;  required attribute
 single-stringed Japanese zither
 ridged whale meat used to make whale "bacon"
 cobia (Rachycentron canadum);  sergeant fish
 blue whale (Balaenoptera musculus)
 brassy chub (Kyphosus vaigiensis)
 deepsea smelt (Glossanodon semifasciatus)
 broadnose sevengill shark (Notorynchus cepedianus, species of circumglobal cow shark with 7 gill slits)
 sicklepod (Senna obtusifolia)
 Beyrich's slit shell (species of sea snail, Pleurotomaria beyrichii)
 Beyrich's slit shell (species of sea snail, Pleurotomaria beyrichii)
 Takasu Station (Hiroshima)