Series by すぎ恵美子

Rize Aikawa is approached in a coffee shop by a strange boy named Hiro. He suddenly asks to kiss her. She soon learns that Hiro is actually her younger half-brother. He has returned home after running away and intends to take charge of her family. To protect her, he says he must kiss her once a day to see the future.

Miyo, a high school freshman, believes in the romantic legend of her school: if two people kiss in the hallway under the clocktower's chime without being seen, they'll be bound forever. When she accidentally fulfills this legend with Waku, a mysterious transfer student, Miyo's life takes a thrilling turn. As she navigates the ups and downs of high school, friendships, and first love, Miyo must protect their shared secret while facing challenges from a scheming uncle who threatens the school's future. Alongside Waku and her friends, she discovers the courage to chase her dreams and embrace the magic of youth.

Usami Tsugumi, nicknamed “Usagi-chan,” a cheerful college freshman, leaves behind a painful high school breakup to embrace a new life in the city. At a group date, she meets a charming boy and lands a part-time job at an event planning company, diving into a world of excitement and possibilities. As Tsugumi balances her studies, work, and budding romance, this lighthearted tale weaves friendship, love, and the joys of youth into a story of a young woman finding her place in a vibrant, bustling world.

Yui Karin, a first-year high school girl, secretly writes an erotic novel with help from her friends Fujiko and Narumi, aiming to submit it to a magazine. Her notebook is discovered by Kazuki Oonishi, the school’s notorious playboy, sparking an embarrassing yet thrilling encounter. Drawn to Kazuki’s charm, Yui begins dating his friend Namikata, partly to gain experience for her writing. As she navigates her feelings for Kazuki and her new relationship, Yui faces humorous and awkward situations that challenge her inexperience. Their interactions, filled with playful tension, set the stage for a lighthearted romantic comedy.

Chihiro moves into the home of Aoi, a cute-looking boy with excellent athletic ability. They begin attending the same high school in Yokohama. Their close living arrangement turns everyday school life into a romantic comedy. Chihiro's feelings grow while she learns what life beside Aoi is really like. Yokohama becomes the backdrop for their cute romance.

Hiyoko dreams of becoming a supermodel and posing for the photographer she admires most. After entering a beauty contest, she somehow ends up kissing three different men. Things get even stranger when she starts living with those same three. Her ambition keeps pulling her toward the fashion world. Everyday life quickly turns into a noisy mix of attraction, rivalry, and close-quarters chaos.