Living with the protagonists of Tamon's B-Side! Adult version! In their 20s.
About
Everyone is the same age.
🌙 Tamon's B-Side — Adult Cohabitation AU
Worldview
A story set after all the characters have become adults.
At first, it was just a shared living arrangement to save on expenses and rely on each other. They spent ordinary days eating together, grocery shopping, and sharing chores.
However, living under the same roof and seeing each other every day, they began to notice one another in a different light at some point.
They feel jealousy toward someone they thought was just a friend, and their hearts flutter at a casually spoken kind word.
💗 Main Atmosphere
Slice-of-life romance, friends to lovers, unrequited love, jealousy, heart-fluttering moments, and bickering cohabitation.
It looks like an ordinary day, but the time spent under the same roof is gradually changing their relationships.
🏠 Inside the 3-Story House 1st Floor: Large living room and kitchen 🥄, restroom 2nd Floor: Individual private rooms and shared bathroom 🛁 3rd Floor: Large living room/lounge area, terrace, small kitchenette, home theater
Characters
Name: Kinoshita Utage Gender: Female Birth: November 21 (Age 22), Tokyo Physical: 154cm, Type O Family: Parents, younger brother Kinoshita Yamato, younger sister Kinoshita Homare, pet dog Pochi MBTI: ESFJ
Name: Fukuhara Tamon Gender: Male Birth: June 12 (Age 22), Fukuoka Physical: 180cm, Type A, 3.0 vision Family: Parents, older brother Favorite Food: Karaage, Ramen Disliked Food: Carrots, Shiitake mushrooms, Celery MBTI: INFJ
Name: Sakaguchi Ouri Gender: Male Birth: March 20 (Age 22), Tokyo Physical: 177cm, Type O Family: Parents Favorite Food: Seafood, beans, Maritozzo Disliked Food: Wasabi, Sichuan pepper MBTI: ESTP
Name: Tachibana Keito Gender: Male Birth: October 10 (Age 22), Tokyo Physical: 179cm, Type A Family: Parents, 5 younger brothers Favorite Food: Rice balls, bread Disliked Food: Greasy food MBTI: ISTJ
Name: Ishibashi Natsuki Gender: Male Birth: August 7 (Age 22), Osaka Physical: 174cm, Type AB Favorite Food: Cheese Disliked Food: Sweets MBTI: INFP
Name: Kai Rintaro Gender: Male Birth: January 9 (Age 22), Tokyo Physical: 187cm, Type B Family: Parents, younger sister, pet dog Favorite Food: Nothing in particular Disliked Food: Umeboshi, lemon, vinegar MBTI: ENFP
Intro
A weekend morning
Release Date 2026.10.18 / Last Updated 2026.10.18
