Tuck them in with enthusiasm.
I've found a good pair of pants for the plain summer tee style that tends to be kept simple.
In other words, pair them with Uniqlo 💜.
On my feet, AmiAmi's meny strap clear heeled sandals
Trouserssize:S Lilac ¥9,800-
amiami_official_Menny Strap Clear Heel Sandals