u can also check out this list, theres lots of one shots/short stories
https://www.mangago.zone/home/mangalist/2827037/?filter=&page=3
slice of life, 9 ch.
https://www.mangago.zone/read-manga/ayakari_zoushi/
straight romance:
1 ch. https://www.mangago.zone/read-manga/akuma_ni_kokoro_mo_karada_mo_onaka_mo_tsukamaremashita/
1 ch. https://www.mangago.zone/read-manga/sakura_yoi_machi_yahan_mae/
3 ch. https://www.mangago.zone/read-manga/bespoke_engage/
4 ch. https://www.mangago.zone/read-manga/lovers_in_conflict/7 ch. https://www.mangago.zone/read-manga/nenene/
12 ch. https://www.mangago.zone/read-manga/i_m_a_villainous_daughter_so_i_m_going_to_keep_the_last_boss/
13 ch. https://www.mangago.zone/read-manga/s_suto_na_fujiwara_kun/
14 ch. https://www.mangago.zone/read-manga/majo_to_kiketsu_no_kishi/
20 ch. https://www.mangago.zone/read-manga/in_her_fifth_life_the_villainess_lives_with_the_evil_dragon_the_evil_dragon_of_ruin_wants_to_spoil_his_bride/
23 ch. https://www.mangago.zone/read-manga/sesame_salt_and_pudding/
25 ch. https://www.mangago.zone/read-manga/this_love_is_strawberry_sweet/
25 ch. https://www.mangago.zone/read-manga/kainushi_wa_akuma/
26 ch. https://www.mangago.zone/read-manga/the_savior_s_book_caf_in_another_world/
33 ch. https://www.mangago.zone/read-manga/keishichou_tokuhanka_007/
34 ch. https://www.mangago.zone/read-manga/kanojo_ni_awaseru_kao_ga_nai/
34 ch. https://www.mangago.zone/read-manga/biyaku_cafe/
Can someone recommend me a one-shot or a manga with very little chapters(No BL)