Cycle shorts - daft question

[Berties]

this might be a daft question but I want to ask anyway since it is new to me.

when I ride longer than 5 miles the soft tissue area between my legs starts to ache and gets worse the longer I ride.

when I ride longer for example 15+ miles after the ride I am in pain where the seems of my underwear meets my skin (again between the legs area).

will cycle shorts stop this if so which would you recommend.

talc up, chamois cream,the best shorts you can afford that also fit properly,no underwear,
the best investment over than a bike a rider can buy GOOD PADDED SHORTS