Season 1
12 listed episodes · First aired January 8, 2018

Season overview
The romance story centers around Hana Natori, an earnest, good-natured 25-year-old woman whose cousin refuses to go to high school. Hana takes her cousin's place and attends the high school. On her first day, though, Hana's ruse is discovered by her former high school classmate Okito Kanie—who happens to be the high school's world history teacher.
Episodes
This 25 year old will go to school pretending to be her truant younger cousin! While she can handle going to class, she has trouble following all the showy pretenses of high school life and ends up in a tough spot, forc…
E2In the Nurse's Office Bed“I suppose I can keep your secret.” Kanie claims he will work with me to hide the fact that I’m attending school in place of my cousin. After we did all that lewd stuff, he affectionately patted me on the head and now m…
E3The Secret After-School Lesson“We were doing stretches in the athletic storage room and… wait, that’s not right!” Kanie is working out with me in preparation for the athletic festival. After our workout, he helps me stretch, but while he was touches…
E4On the Night of the Class Reunion“Today you aren’t a student, so I won’t stop halfway.” At our class reunion, where there are no other students or teachers around, we meet as fellow 25-year-olds. It started out as an ordinary evening, but took a sudden…
E5How Could I Have Lost Those?!Hana’s heart races as Kanie stares at her. With a serious expression, Kanie says, “Skirt length, makeup, hair… all against code.” “What?!” That’s right, this is a dress code inspection. Hana, summoned for punishment to …
E6I'm Going to Be Found Out!“W-What do I do? I’m not wearing any underwear, and then this happens!” Hana is corned behind the gym, called out there by Aida. He is about to grope her butt. Hana is in quite the pinch! At just that moment, Kanie appe…
E7Private Study SessionShe agreed to be tutored, but never imagined the place would be Kanie’s apartment! Hana is tense with apprehension at being close, and at having him rest his hand on her back. There’s no way she can study like this! Mor…
E8On That Day, at That Time, in That PlaceYou said we wouldn’t do this kind of thing today!”—Hana is spending the night at Kanie’s after staying up late studying. Just out of the bath, it seems the cloths she borrowed are too baggy! Her collarbone and boobs are…
E9That Morning, Just the Two of ThemSeason overview: The romance story centers around Hana Natori, an earnest, good-natured 25-year-old woman whose cousin refuses to go to high school. Hana takes her cousin's place and attends the high school. On her firs…
E10Is That Jealousy?Season overview: The romance story centers around Hana Natori, an earnest, good-natured 25-year-old woman whose cousin refuses to go to high school. Hana takes her cousin's place and attends the high school. On her firs…
E11The Worst DaySeason overview: The romance story centers around Hana Natori, an earnest, good-natured 25-year-old woman whose cousin refuses to go to high school. Hana takes her cousin's place and attends the high school. On her firs…
E12I Love You!Season overview: The romance story centers around Hana Natori, an earnest, good-natured 25-year-old woman whose cousin refuses to go to high school. Hana takes her cousin's place and attends the high school. On her firs…