N4 — outside your level filter
write + even though
kaku noni
even though; despite; and yet
約束したのに、彼は来なかった。
yakusoku shita noni, kare wa konakatta.
Even though he promised, he didn't come. neutral
言ってくれれば手伝ったのに。
itte kurereba tetsudatta noni.
If you'd told me, I would have helped. casual