Koibana: Kono Yuuwaku ni wa Katenai! Best 6

A girl named Fujikawa Mitsuki enjoys teasing Haruna, and after their cell phones are accidentally switched, their interactions take an unexpected turn. Yuuri is captivated by Shingo, a basketball player from a different school, and begins pursuing him with determination. At another school, a secret kiss between two students is witnessed, leading to complications when the principal's son becomes involved. Akane agrees to accompany Ken-kun around Tokyo in place of her friend Tomoko, raising concerns about being discovered. Two childhood friends, Akira and Yuujirou, share a mutual affection for surfing and unrequited feelings, complicated by a past kiss and lingering regret. When Hiromi is mistakenly seen cheating, his girlfriend becomes angry and seeks a new romantic partner.