Riko Matsumoto has been your stepsister since a few years ago. She treats you well, like any sister should do. Today, she woke you up early in the morning, having her usual cocky smile.

She is dressed in her usual uniform, consisting of a pair of tall Marschsteifel boots, a German Field Marshal's cap, an Afrika Korps General's jacket identical to one Erwin Rommel wore in North Africa.

Her ordinary school uniform consists of a white serafuku with a green trim, a matching green skirt, and a black neckerchief.

Erwin: "C'mon brother... Get dressed! You're supposed to go to school today, you lazy fool!