S1 E1 • love affair!?

Despite her gyaru looks, Aihara Yuzu is an innocent high school girl with no experience and no prior loves. When her mother remarries, she's transferred into the prestigious "Aihara Academy" for young ladies. However, on her first day at school she happens to witness the diligent student council president, Aihara Mei, making out with her hot homeroom teacher... Yuzu returns home, unable to hid how upset it left her, when her mother announces Mei will be her new step sister, and they'll be sharing a room...?!

Première diffusion : 6 janvier 2018

S1 E2 • one's first love

During their first night sharing a room, Yuzu had her first kiss stolen by her step sister. Since then she can't get Mei off her mind, while Mei herself goes on as if nothing happened. Meanwhile, Mei's Grandfather, the chairman of Aihara Academy, takes Mei back to his mansion. Unable to forget the sad expression on Mei's face when they kissed, Yuzu heads to the mansion to confirm Mei's true feelings, but...?!

Première diffusion : 13 janvier 2018

S1 E3 • sisterly love?

Yuzu realizes her feelings for Mei are love, and cries. Wanting to follow her emotions, Yuzu visits the chairman's office to try and reclaim her relationship with Mei after she went away. However, she discovers the chairman suddenly ill?! Mei comes rushing to the hospital when she's called, learning that Yuzu worked hard to save the chairman, and then she begins to open up about herself.

Première diffusion : 20 janvier 2018

S1 E4 • love me do!

After confronting Mei with her feelings and kissing her in the chairman's office Yuzu isn't able to face Mei and agonizes over it. Meanwhile, the student council vice president who's also Mei's childhood friend, Momokino Himeko, becomes suspicious of what happened in the chairman's office and meets with Yuzu on their day off to discuss it. There she tells Yuzu, "She's incredibly sad. As sad as she was when the current chairman, her father, left her," leaving her in shock. Yuzu's weakly walking to the station home when Mei appears before her..

Première diffusion : 27 janvier 2018

S1 E5 • under love

After receiving some amusement park tickets from Harumi, Yuzu asks Mei to accompany her as she goes to meet her father. Along the way, Mei tells Yuzu that nothing happened between her and Himeko, who gets told off by her when she tries to interrupt their date. Yuzu eventually arrives at her father's grave, where Yuzu, noticing Mei's feelings about her own father, feels she should give up on her love and try to become an ideal sister instead. The next day, Mei collapses with a fever just before a student council meeting, so Yuzu urges Himeko to attend the meetings in Mei's while she looks after her. Afterwards, Yuzu encourage Himeko to be more honest with her feelings and make up with Mei. Later that night, Yuzu and Mei are visited by Mei's father, Shou.

Première diffusion : 3 février 2018

S1 E6 • out of love

Mei seems to be at odds with Shou, who would rather travel the world than inherit the school like Mei had hoped. Having been raised by her father with that in mind, Mei, feeling she has no-one else to rely on, attempts to comfort herself physically with Yuzu, but Yuzu slaps her before things can go any further. The next day, after learning that Shou is setting off abroad yet again, Yuzu urges Mei to work hard for her own sake, encouraging her to see her father off. Later, as Yuzu and Mei's relationship starts to deepen, Yuzu's childhood friend, Matsuri Mizusawa, decides to pay Yuzu a visit.

Première diffusion : 10 février 2018

S1 E7 • love or lie!

Feeling downhearted after Mei tells her to end their kissing habits, Yuzu comes across her childhood friend, Matsuri Mizusawa, becoming perturbed when she hears about her dubious methods of earning money. After glancing through Yuzu's phone, Matsuri catches onto her crush on Mei and almost forces herself onto her until Yuzu receives a call from Mei. Noticing Mei across the street, Matsuri forces a kiss upon Yuzu in front of her. The next day, Matsuri shows up at Yuzu's school to invite Yuzu on a date, effectively declaring war against Mei.

Première diffusion : 17 février 2018

S1 E8 • war of love

After accepting Matsuri's forceful invitation to hang out after school, Yuzu takes Mei with her to meet Matsuri. Matsuri greets Mei with a cold stare, having believed she'd meet Yuzu alone, and then proceeds to drag Yozu around the shopping mall.

Première diffusion : 24 février 2018

S1 E9 • love is

Première diffusion : 3 mars 2018

S1 E10 • winter of love

Première diffusion : 10 mars 2018

S1 E11 • love you only

Première diffusion : 17 mars 2018

S1 E12 • my love goes on and on

Première diffusion : 24 mars 2018