University student Nagisa becomes the tutor of high school student Kokusai. Despite their contrasting personalities—Nagisa being serious and responsible while Kokusai is carefree and charming—they develop a close bond. As they spend more time together, Nagisa finds himself drawn to Kokusai in ways he hadn't expected. Their relationship faces challenges as they navigate personal feelings, societal expectations, and their own uncertainties about love.
Set in the 1990's, high school student Ayu lives with her mother and grandmother in Fukuoka. She works as a model, but, to pursue an acting career, she goes to Tokyo with her grandmother. While attending a high school, she picks up acting work, but only minor roles. One day, Ayu meets Masa, who is the executive director of record label A Victory. He decides to make Ayu into a singer. According to Masa, Ayu prepares to make her debut as a singer. Meanwhile, she encounters jealousy from rivals at her record label. Trusting Masa, Ayu endures her problems. She also develops feelings for Masa and Masa also holds feelings for her.
19-year-old Reiko (Mayuko Kawakita) is extremely beautiful and comes from a wealthy family. When she was little, she was bullied by a kid and Tetsuya (Masaru Mizuno) saved her. Since then, Reiko only likes Tetsuya. Yet, as a high school student, she turned down Tetsuya's confession. Despite her parents’ opposition, Reiko goes to Tokyo to attend a university where Tetsuya studies. At this time, Reiko wants to be honest about her feelings for Tetsuya, but due to her pride she doesn't tell him.
A young "fabric geek" lands a job at an upscale Japanese lingerie company — and quickly discovers she'll need help to survive.
Detective Keita Kurokouchi (Tomoya Nagase) continues to extort money from politicians whom Keita Kurokouchi has information on. By using his information he is able to crack unsolved cases. Rookie Detective Mayo Seike (Ayame Gouriki) is excellent with her job and also a bit naive. She conducts an internal investigation on Detective Keita Kurokouchi, but they become partners and work on cases together..
Miku finds out that the most popular guy at school will be living under the same roof as her for the summer. Will a budding summer romance blossom?