SIDE COUPLE APPRECIATION - BL SPINOFFS

1. Ikkun x Hana
original: https://www.mangago.me/read-manga/hana_ni_kuchizuke/
sequel1: https://www.mangago.me/read-manga/hana_to_ikkun/
sequel2: https://www.mangago.me/read-manga/hana_to_odekake/

2. Tsubaki (Hana's mentor) x Mashiro (1st son of Yakuza boss)
spinoff: moon and sun

1. Sajou x Kusakabe
original + sequels: https://www.mangago.me/home/mangalist/320009/
anime:

2. Hara x Sora
spinoff: Sora To Hara

1. Kangha x Kyuho - s1 (ch1-58)

2. Gunhyung x Seunghun - s2 (ch 59-109)

s3 - has both couples

forgot their names will update once i reread this

1. Kurokawa x Tomoe
original: https://www.mangago.me/read-manga/challengers/

2. Tetsuhiro x Souichi (Tomoe's brother)
spinoff: Koisuru Boukun

sidestories:
https://www.mangago.me/read-manga/knockin_on_your_door/
https://www.mangago.me/read-manga/koisuru_boukun_fanbook/
https://www.mangago.me/read-manga/boukun_nurie/
https://www.mangago.me/read-manga/koisuru_boukun_dj_aru_hi_mori_no_naka/

anime:

1. Kotaro x Tojaro
original: https://www.mangago.me/read-manga/koi_made_hyakurin/

2. Kayano x Takao (torajo’s older brother)
spinoff: Akunin O Nakaseru Houhou

sequel to both works: https://www.mangago.me/read-manga/warudakumi_ni_mo_hana_wa_furu/

ill update description after i reread this

original: https://www.mangago.me/read-manga/the_next_door_neighbor/

spinoff: His Enemy Downstairs

1. Baekyung x Sihyeon - s1

2. Taeseo (Sihyeon’s coworker) x Seonwoo (Sihyeon’s ex) - s2

original: https://www.mangago.me/read-manga/contrast/

Spin-off: Sayonara Bokura