Yaneura Heya De Madoromi Wo (Futami Sara Bunko) [Light Novel]

[Machine Translation] Soun Girls' Academy is a prestigious boarding school. One day, just before the Satsuki Festival, Hoshuin Mineuri, the head of Unsui dormitory, is moved to the attic room of the Kisai building with her caretaker, Yamashita Tsumugi, because of a family disturbance. Despite the concerns of Tsumugi and her best friend Fukuko, Mineuri seems to be enjoying the situation, wearing Tsumugi's maid outfit. However, right after the Satsuki Festival, a student's body is found in the Kisai building. The incident occurred on the only day when forgiven marriages are invited and outsiders are allowed in and out of the school. Mineuri tries to keep her promise to the mysterious man, Shioji...

全寮制の名門、早雲女子学院。皐月祭も間近なある日、雲水寮寮長を務める宝珠院美音璃は、お家騒動が元で世話係の山下紬と木犀棟の屋根裏部屋に移ることに。紬や親友の芙久子の心配をよそに、紬のメイド服を着たりと状況を楽しんでいるような美音璃。だが皐月祭の直後、木犀棟で生徒の遺体が発見される。許婚を招き、外部の人間が出入りする唯一の日に起きた事件。謎の男・汐路との約束を守ろうとした美音璃は...。