12 episodesFirst aired 12 January 2019
High schooler Natsuo is shocked to learn that the teacher he’s secretly in love with and the girl he just had a fling with are his new stepsisters.
E1Jan 201924m
Natsuo's life suddenly becomes more complicated when his father comes home and announces he has remarried a woman with two daughters whom Natsuo has met before. They're Hina, his teacher and unrequited crush, and Rui, a girl he previously slept with.
E2Jan 201924m
Natsuo has mixed feelings about a new classmate. Later, Hina receives a mysterious call that leaves her emotional and Natsuo concerned.
E3Jan 201924m
Natsuo learned the truth about Hina's mysterious relationship. Following an intense encounter with her, Natsuo leaves home to cool off and establishes a connection with Rui.
E4Feb 201924m
Determined to end Hina's affair, Natsuo and Rui take matters into their own hands. But things don't go according to plan.
E5Feb 201924m
Rui makes a new friend with a notorious reputation - and an uncomfortable attraction to Natsuo.
E6Feb 201924m
Crime doesn't pay and the punishment doesn't always fit the crime - a lesson Natsuo experiences firsthand after 'borrowing' a book from the library.
E7Feb 201924m
Natsuo's perception of Hina changes when she reveals how she first met Shuu. Later, Rui comes to Natsuo with a surprising request - one he isn't sure he should fulfill.
E8Mar 201924m
You can only lie to yourself for so long. As truths come bubbling to the surface, consequences ripple through Natsuo's entire household.
E9Mar 201924m
Hina puts her plan to move out into motion. Neither Rui nor Natsuo wants her to leave, albeit for different reasons. Will their home feel the same without Hina in it?
E10Mar 201924m
Natsuo takes a tumble down a flight of stairs, but a broken leg is the least of his worries when he's caught in a lie by Rui.
E11Mar 201924m
Rui makes a decision after her conversation with Natsuo. Later, Natsuo's class takes a field trip to Okinawa, where feelings are laid bare beneath the light of fireworks.
E12Mar 201924m
When the unthinkable happens, Hina expresses her love for Natsuo the only way she can: by giving him a chance to move on.