Would you like to take a bath with your brother? Heartbeat monitoring! On the streets of Takadanobaba, a family survey was conducted on an amateur woman who answered that she liked her brother as a member of the opposite sex. To convey her feelings, she proposed to take a bath together. Please watch the shyness of the sister who attacks while her brother is bathing. Girl: Yuuna-san, 4th year student of Civil Engineering (Bridge Major). Her trouble is that she is seen as masculine.