I need your help

I need to find a music that i lost, here are some details can a remember

I got it in 2022
It is sung by a female voice
Start with an instrumental
Lyrics I remember (parts with [...] are unknown)
Start lyric sound like this:
Daiseika
[...]
Kimi to futari de
[...]
Ha nani ga
[...]
kitto itsu ga
[...]
Kitto
Kotae yameru
[...]
Kitto kitto

Please, I really loved music while I had it.
Thanks.