Sister Princess ~Onii-chan Daisuki~ Sincerely Yours
シスター・プリンセス ～お兄ちゃん大好き～ Sincerely Yours
NOVELfinished2002
シスター・プリンセス ～お兄ちゃん大好き～ Sincerely Yours
Final chapters of Sister Princess stories serialized in Dengeki G's Magazine compiled into one volume. Each chapter is a letter written by a different sister.