1. Naota x Taichi
original: Escape Journey
2. Shun x Yuuta (classmates)
spinoff: http://www.mangago.me/read-manga/sayonara_futaribocchi_renai_shinsho/
1. Shiba x Kurokawa
original: Pink to Mameshiba
2. Atsuto (Kurokawa's brother; Shiba's idol) x Yuki
spinoff: http://www.mangago.me/read-manga/hello_morning_star/
1. Arikawa x Shouta
original: Hana no Mizo Shiru
sequel: https://www.mangago.me/read-manga/hana_no_migoro_ni/
2. Akira (Shouta's lab prof) x Motoharu (Shouta's grandfather)
spinoff: http://www.mangago.me/read-manga/hana_no_miyako_de/
1. Sawahata x Yuusei - ch 1-2;6
2. Jun x Daichi (Yuusei's older brother) - ch 3-6
1. Hitomi(doctor) x Itou (new tenant) - ch 1-3,6-8,14.5,21.5,26.5,30-30.1,35-35.5,39,74-76
2. Daiki (landlord/potter) x Sabato (town chairman) - ch 5,8-11,12-26.5,30.1
3. Youmi(yakuza) x Hizoru (Itou's friend) - ch 4,8-11,24.5,27-44,51.5-51.6,58-59
4. Zaizen (lawyer) x Kiriya (yakuza) (Hitomi's childhood friends) - ch 35-36,38-39, 45-73
1. Shabata (cafe manager) x Sekiya (radio host) - ch 1
2. Akiha (cafe owner) x Yahiko (Sado's secretary) - ch 2
3. Kamada x Ogikawa (childhood friends w/ Nakajou) - ch 3
4. Nakajou (cafe customer) x Sado (both couple 3's neighbors) - ch 4
ch 5-6 show multiple coupes
1. Mao x Hisashi
original: Tasogare Outfocus
sequel: http://www.mangago.me/read-manga/koiiro_soft_focus/
2. Hitoshi (2nd year cinema club president) x Yoshikazu (3rd year cinema club president)
spinoff: http://www.mangago.me/read-manga/zanzou_slow_motion/
3. Rei (3rd year cinema club member) x Shion
spinoff2: https://www.mangago.me/read-manga/yoiyoi_monologue/
1. Yoshimura x Shima
original: Like a sugar
2. Morisaki x Taguchi (classmates of main couple)
spinoff: http://www.mangago.me/read-manga/bitter_like_light/
1. Someya and Sumito
original: http://www.mangago.me/read-manga/yukidoke_no_koi/
2. Oushirou (Sumito's best friend) x Inamura
spinoff: Bokura ga Koi wo Ushinau Riyuu
1. Ginu x Yubin
original: Window to Window
2. Dowan x Chamin (friends of main couple
spinoff: http://www.mangago.me/read-manga/room_to_room/
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