Hi! I know a lot of these are really really popular but these are just from the top of my head
guiding hazard
it's just a dream
you are my world (non-con-ish)
The boundary of delusion (angsty)
form of sympathy (angsty)
dreaming of the dokkaebi
the best luck of my life
protect your purity
unsleep (kinda)
scent and sensibility
tiger and tiger gourd
flashlight
love in orbit
please pay attention to me
a room without a window
you and i can't do this
can't think straight
plum buddy (i think i forgot lowk)
knock me out
that time i got stuck to the guy i hate
dysfunctional family therapy
nekatama punch
my darling signed in
my guildmate next door (not really, but kinda but not really but it's good)
you are my princess
LMK if you need more (づ ̄ ³ ̄)づ

title. any bl with a guy singlemindedly obsessed with a tsundere guy (who maybe isnt interested at first?) the crazier the obsession the better