I need black/red flag ML in yaoi (possessive, obsessive one)

some I can think of rn (im sure you've read some already tho):
https://www.mangago.me/read-manga/reverse_thinking/
https://www.mangago.me/read-manga/sadistic_beauty_bl_sidestory/
https://www.mangago.me/read-manga/roses_and_champagne/
https://www.mangago.me/read-manga/no_reason/
https://www.mangago.me/read-manga/dear_teddy_bear/
https://www.mangago.me/read-manga/non_zero_sum/
https://www.mangago.me/read-manga/ashtray/
https://www.mangago.me/read-manga/red_mansion/
https://www.mangago.me/read-manga/corrosive/
https://www.mangago.me/read-manga/formless/
https://www.mangago.me/read-manga/profundis/
https://www.mangago.me/read-manga/dark_fall/
https://www.mangago.me/read-manga/unchanged_man/
https://www.mangago.me/read-manga/a_tree_without_roots/
https://www.mangago.me/read-manga/the_heart_of_the_lotus/
https://www.mangago.me/read-manga/unfinished_relationship/
https://www.mangago.me/read-manga/raising_beta_winnow/
https://www.mangago.me/read-manga/lima_syndrome/
https://www.mangago.me/read-manga/barge_in/
https://www.mangago.me/read-manga/control_time/
https://www.mangago.me/read-manga/negative_love/
https://www.mangago.me/read-manga/wish_you_all_the_best/
https://www.mangago.me/read-manga/the_cell/
https://www.mangago.me/read-manga/toxin/
https://www.mangago.me/read-manga/kegare_no_nai_hito/
https://www.mangago.me/read-manga/booty_wurk/
https://www.mangago.me/read-manga/paper_flower/
https://www.mangago.me/read-manga/the_tale_of_the_villain/
https://www.mangago.me/read-manga/i_became_a_slave_to_the_man_i_abandoned_nebul/
https://www.mangago.me/read-manga/kick_the_bucket/
https://www.mangago.me/read-manga/bad_life/
https://www.mangago.me/read-manga/bones_and_petals_drac/
https://www.mangago.me/read-manga/into_the_rose_garden/
https://www.mangago.me/read-manga/warehouse/
https://www.mangago.me/read-manga/love_history_caused_by_willful_negligence/
https://www.mangago.me/read-manga/atone/
https://www.mangago.me/read-manga/dirty_xx/
https://www.mangago.me/read-manga/a_crown_of_thorns/
https://www.mangago.me/read-manga/pieta_daong/
https://www.mangago.me/read-manga/moonlight_kie/
https://www.mangago.me/read-manga/indomitable_champion_english/
https://www.mangago.me/read-manga/a_millennium_of_love/
https://www.mangago.me/read-manga/heart_packer_kaizen_scan/
https://www.mangago.me/read-manga/it_starts_with_isaac/
https://www.mangago.me/read-manga/lost_jujucat/
https://www.mangago.me/read-manga/cash_or_credit/
https://www.mangago.me/read-manga/autumn_at_the_cemetery_team_hazama/
https://www.mangago.me/read-manga/cradle_of_the_almighty/
https://www.mangago.me/read-manga/yian_s_binding_yaoi/
https://www.mangago.me/read-manga/abyss/
https://www.mangago.me/read-manga/fruit_of_the_tongue/
https://www.mangago.me/read-manga/the_abyss_1/

Thanks sooo much. I’ve been craving some spice in my life (づ￣ ³￣)づ

you're welcome! If I remember any more I'll come back and comment them! (▰˘◡˘▰)