1. Takao x Yoshinaga
original: http://www.mangago.me/read-manga/ubawareru_koto_marugoto_zenbu/
sequel: https://www.mangago.me/read-manga/ai_ga_aru_kara_ii_ja_nai/
2. Yuuichi x Takehisa (Yoshi's co-workers)
spinoff: http://www.mangago.me/read-manga/suki_toiunoni_nazekashira/
sequel: http://www.mangago.me/read-manga/itsumo_anata_no_koto_bakari/
3. Kiyohito (ex-bf of Yuuichi) x Hisashi
spinoff of 2: Ai ga Matteru
1. Kasukabe (student council member) x Misato
original: Junketsu Drop
2. Kadokura (student council president of the regular program) x Kima
spinoff: http://www.mangago.me/read-manga/interval_zero/
1. Arimura x Itou
original:http://www.mangago.me/read-manga/sayonara_game_minaduki_yuu/
sequel: http://www.mangago.me/read-manga/change_world/
2. Hoizumi (Arimura's uni friend; Itou's coworker) x Asahi
spinoff: Love Nest
sequel: http://www.mangago.me/read-manga/love_nest_2nd/
3. Naru (friends of Hoizumi x Asahi) x Izumi
spinoff of 2: https://www.mangago.me/read-manga/engage/
1. Akihisa x Yuu
original: http://www.mangago.me/read-manga/asatte_ni_kiss/
2. Kunihiko x Kusaka (Akihisa x Yuu's friends)
spinoff: Fukigen na Kimi to Kimagure na Kiss
1. Keiji x Hiro
original: http://www.mangago.me/read-manga/akai_ito_no_shikkou_yuuyo/
2. Kawisama (Keiji was his client) x Hara (Keiji's co-worker)
spinoff: Kanawanu Koi no Musubikata
sequels: https://www.mangago.me/read-manga/tsunaida_koi_no_kanaekata/
1. Katou x Serizawa
original: Ijiwaru Shinai de
2. Kashiwagi (co-worker of Katou and Serizawa) x Izumi
spinoff: http://www.mangago.me/read-manga/namaiki_kareshi/
1. Yoshitsugu x Kaede
original: Goshujinsama wa Ouji ga o Suki
2. Asuka (Kaede's crush) x Zaizen (Asuka's childhood friend)
spinoff: http://www.mangago.me/read-manga/shirayukihime_ni_kuchizuke/
1. Kou x Chiaki
original: http://www.mangago.me/read-manga/ore_no_oniku_chan/
2. Tsubasa (Kou's childhood friend) x Misaki (Chiaki's ex bf)
spinoff: Kemono Asobi
1. Fujio x Hikaru - ch 1
2. Kiyo x Kara (Hikaru's co-workers) - ch 2-3
1. Kitagawa x Natsume - vol 1;3
2. Saito x Tomita (Kitagawa and Natsume's coworkers) - vol 2;4
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