Series by 水瀬藍

Koharu Shiina and Natsuki Sugiura have been inseparable since they were born next door to each other. As childhood friends, they share a bond that's as sweet and comforting as honey. But now, with high school on the horizon, their relationship begins to evolve amidst the flutter of new feelings and the storm of teenage emotions. As Koharu grapples with jealousy over Natsuki's interactions with other girls, and Natsuki remains seemingly oblivious, the line between friendship and something more starts to blur.

Middle schooler Momoka Usami is thrilled by the idea of love, but her dreams take an unexpected turn during a fateful class seating change. She ends up next to Narumi Sora, a quiet and seemingly aloof boy rumored to be a "jinx" who ensures no one sitting beside him will ever find a boyfriend. Initially intimidated, Momoka soon discovers Narumi's hidden kindness and passion for photography, sparking feelings she can't ignore. As their bond deepens, Momoka navigates the ups and downs of first love, friendship, and self-discovery.

Facing a devastating diagnosis that leaves her with just one year to live, high schooler Madoka Enka is determined to experience the one thing she's always longed for: love. Setting her sights on Kouta, the school's charming playboy, Madoka embarks on a journey filled with firsts—first dates, first kisses, and first heartaches. As their relationship deepens, Madoka discovers emotions she never knew existed, while Kouta begins to see beyond his carefree facade.

Kosaka Nao, a lively high school freshman, falls for the handsome and popular Haruna after he helps her during a tense moment on her entrance exam day. When she discovers they’re seated next to each other in class, Nao feels it’s fate—until she learns Haruna dislikes girls who confess to him despite his teasing nature. As Nao gets to know the enigmatic Haruna, her feelings deepen, weaving a sweet and playful story of first love, friendship, and youthful excitement.

Mahiro, a high school girl, has never forgotten her first love, a boy named Haruto whom she met as a child during a summer on the island. After moving to Tokyo, Mahiro is taken aback when she encounters a boy with the same name and appearance at her new school—but this Haruto insists he's not the one she remembers. Despite his initial cold reception, Mahiro finds herself drawn to his kind, hidden nature. As they navigate the complexities of high school life, friendships, and first love, Mahiro and Haruto rediscover the magic of their childhood connection, exploring themes of identity, memory, and the purity of love.