Sengoku Monaka, lace-trimmed unbanned, female teacher, lace-trimmed BDSM, IESP-734

Every year, Sumire, a teacher at the girls' school, develops relationships with the students in her assigned class. This year, she also becomes interested in Menaka, a student in her new class. Although Menaka is confused by Sumire's invitation, the two begin a forbidden relationship...