Kamiki-sensei Is a Natural Teacher Who Unconsciously Provokes Male Students with Her Beautiful Big Breasts. She Worries About Me, Whose Grades Aren't Improving at All, and Is a Goddess Who Not Only Helps Me with My Studies

美巨乳で無自覚に男子生徒を挑発してしまう天然な神木先生は成績が全然上がらない僕を心配して勉強だけじゃなくチ〇ポの面倒も見てくれる女神様だった…! 神木麗

Also known as STARS-818, Bi kyonyu de mujikaku ni danshi seito o chohatsu shite shimau ten'nen'na shinboku sensei wa seiseki ga zenzen agaranai boku o shinpai shite benkyo dake janaku chi líng po no mendo mo mite kureru megami-samadatta...!

Rei, a teacher who cares about her students, is the school's slightly airheaded Madonna, who forgets to put on her bra and unconsciously presses her breasts against the students. Yuta, a student who is approaching a sensitive age, is unable to concentrate on his studies because of Rei, and his grades have been dropping steadily. Rei, worried about this, makes a naughty proposal to Yuta, who comes to her for extra lessons one day...