Ni-Choume

Same! The updates take forever but i think thats cause the artist releases chapters once in a blue moon

Ooooh that's too bad, wishing for good health author-sama

Can i take it back?,
Secret playlist

These fit more into the bill of "Guy falling in love first" I hope you find something to your taste.

Modern, school setting, somewhat short chapters
https://www.mangago.me/read-manga/same_school_friend/
(Not completed but ml is very down bad lol)

Fantasy, Historical, Magic, School life
https://www.mangago.me/read-manga/elena_evoy_observation_diary/
(Completed! With good ending, fl is very studious and kind)

Fantasy-ish, Modern, Office life
https://www.mangago.me/read-manga/koori_zokusei_danshi_to_cool_na_douryo_joshi/
(Not completed. Has an anime!)

Here are some. Hopefully you can find something you haven't read yet sorry i forgot which is which so some are just romance (not school or office)

Manhwa:
https://www.mangago.me/read-manga/love_your_enemies/
https://www.mangago.me/read-manga/awesome/
https://www.mangago.me/read-manga/a_loving_existence/
https://www.mangago.me/read-manga/90_s_cram_school_for_unripe_apples/


*Not really school nor office, just romance
https://www.mangago.me/read-manga/positively_yours/
https://www.mangago.me/read-manga/pure_villain/
https://www.mangago.me/read-manga/the_scandalous_proposal/
https://www.mangago.me/read-manga/a_bittersweet_couple/
https://www.mangago.me/read-manga/my_cute_beast/
https://www.mangago.me/read-manga/match_made_in_heaven_by_chance/

Manhua:
https://www.mangago.me/read-manga/she_may_not_be_cute/

Manga:
https://www.mangago.me/read-manga/veil/
https://www.mangago.me/read-manga/kimi_ga_kirai_na_koi_no_hanashi/
https://www.mangago.me/read-manga/hananoi_kun_to_koi_no_yamai/
https://www.mangago.me/read-manga/the_fragrant_flower_blooms_with_dignity/
https://www.mangago.me/read-manga/it_s_difficult_to_love_an_otaku/
https://www.mangago.me/read-manga/paperbag_kun_is_in_love/
https://www.mangago.me/read-manga/marry_me_yuuki_miku/
https://www.mangago.me/read-manga/yubisaki_to_renren/
https://www.mangago.me/read-manga/mizutama_honey_boy/
https://www.mangago.me/read-manga/seishun_cafeteria/
https://www.mangago.me/read-manga/yamada_kun_to_lv999_no_koi_wo_suru/
https://www.mangago.me/read-manga/toumei_otoko_to_ningen_onna_sonouchi_fuufu_ni_naru_futari/
https://www.mangago.me/read-manga/yamaguchi_kun_wa_warukunai/

Josei/seinen:
https://www.mangago.me/read-manga/will_you_marry_me_again_if_you_are_reborn/
https://www.mangago.me/read-manga/ase_to_sekken/
https://www.mangago.me/read-manga/furare_girl/
https://www.mangago.me/read-manga/sesame_salt_and_pudding/
https://www.mangago.me/read-manga/koori_zokusei_danshi_to_cool_na_douryo_joshi/

Thankiessss♡

Omggg thank you so much!!! And I'm loving the same school friend!!! Bless you(づ￣ ³￣)づ

I'm crying, i love you!!! ⁄(⁄ ⁄·⁄ω⁄·⁄ ⁄)⁄ Thanks for the detailed recomms, bless you!!!