Not really sure if the tops are "puppy"-like but here are some recommendations (these are all GLs):
Yandere:
https://www.mangago.zone/read-manga/i_love_amy/
https://www.mangago.zone/read-manga/yandere_meruko_chan_likes_her_senpai/
https://www.mangago.zone/read-manga/hone_no_nazuki_made_aisu/
https://www.mangago.zone/read-manga/your_fetters/
https://www.mangago.zone/read-manga/seasons_in_bloom/
https://www.mangago.zone/read-manga/monomania/
https://www.mangago.zone/read-manga/her_lies/
https://www.mangago.zone/read-manga/saeism/
https://www.mangago.zone/read-manga/indulging_a_crazy_beauty/
https://www.mangago.zone/read-manga/i_m_more_dangerous_than_you/
https://www.mangago.zone/read-manga/manipulate_my_heart/
https://www.mangago.zone/read-manga/the_barefoot_nina/
https://www.mangago.zone/read-manga/savior/
https://www.mangago.zone/read-manga/tatoe_sekai_ga_owattemo_watashi_wa_kanojo_wo_erabanai/
https://www.mangago.zone/read-manga/is_it_normal_to_raise_a_yandere_heroine_as_a_villainess/
https://www.mangago.zone/read-manga/dang_e_yi_yu_dao_bing_jiao/
https://www.mangago.zone/read-manga/lovedeath/
https://www.mangago.zone/read-manga/non_chan_to_akari/
https://www.mangago.zone/read-manga/mietemasu_yo_aizawa_san/
https://www.mangago.zone/read-manga/saji_chan_no_yami_nikki/
https://www.mangago.zone/read-manga/lonely_wolf_lonely_sheep/
https://www.mangago.zone/read-manga/the_chain_of_youth/
https://www.mangago.zone/read-manga/serenade_keum_kyesoo/ (yandere side character)
https://www.mangago.zone/read-manga/kitanai_kimi_ga_ichiban_kawaii/ (features extreme fetishes such as age regression/babyplay, vomit kink, period blood kink, etc.)
https://www.mangago.zone/read-manga/the_nest_of_eternity/ (short story;age gap, non-con)
https://www.mangago.zone/read-manga/immoral_parody/ (short story;age gap, dub-con)
https://www.mangago.zone/read-manga/you_are_my_angela/ (short story)
https://www.mangago.zone/read-manga/ubai_ai/ (short story)
https://www.mangago.zone/read-manga/rapunzel_komoda/ (one-shot)
Possessive/obsessive:
https://www.mangago.zone/read-manga/adachi_to_shimamura/
https://www.mangago.zone/read-manga/useless_princesses/
https://www.mangago.zone/read-manga/after_school_love_affairs/
https://www.mangago.zone/read-manga/getting_to_know_grace/
https://www.mangago.zone/read-manga/oni_ure_idol_ga_kyou_mo_watashi_wo_oshitekuru/
https://www.mangago.zone/read-manga/shoujo_manga_protagonist_x_rival_san/
https://www.mangago.zone/read-manga/chasing_lilies/
https://www.mangago.zone/read-manga/my_girlfriend_s_not_here_today/
https://www.mangago.zone/read-manga/gunjou/
https://www.mangago.zone/read-manga/yodaka_meguru/
https://www.mangago.zone/read-manga/warikitta_kankei_desukara/
https://www.mangago.zone/read-manga/utsushicha_dame_na_kao/
https://www.mangago.zone/read-manga/best_friends/ (omegaverse)
https://www.mangago.zone/read-manga/love_thy_neighbor_2/ (cheating)
https://www.mangago.zone/read-manga/outro/ (short story; cheating, domestic violence)
Toxic relationship:
https://www.mangago.zone/read-manga/zenbu_kowashite_jigoku_de_aishite/
https://www.mangago.zone/read-manga/my_brother_and_i_are_rivals/
https://www.mangago.zone/read-manga/on_a_leash/
https://www.mangago.zone/read-manga/black_white_sal_jiang/
https://www.mangago.zone/read-manga/officer_you_can_no_longer_hide_your_tail/
https://www.mangago.zone/read-manga/chirizokonai_no_hiraeth/
https://www.mangago.zone/read-manga/our_love_is_disgusting/
https://www.mangago.zone/read-manga/kill_me_now/
https://www.mangago.zone/read-manga/naraku_no_hanazono/
https://www.mangago.zone/read-manga/efude_to_kurokinu/ (one-shot;cheating)
in the mood for some toxic yuri and toxic yaoi so are there any recs (⊙…⊙ ) i need some possesive (yandere) puppy top (like the one in the heart of the lotus, kuroi inu, love jinx, locked in lead’