Niki Shiina/History

Early Years
Early childhood, elementary school, middle school, upbringing, etc.

Last Year (Enstars! Era)
Information about what the character did during the Enstars! year.

Current Year (Enstars!! Era)
"See: Appears In" Information about what the character did during the Enstars!! year.

Next Year
Information about what the character is doing next year, if notable (ie, becomes the leader of their unit, goes on to start a company, continues being an idol with classmate A, etc).