(Request?)Bnha And Haikyuu age regression one shot

this will be oneshots off bnha and haikyuu Agere

age regressions is Agere is short for age regression, a therapeutic tool used to help those with childhood trauma to reenact a time before their trauma, helping them cope! Age regression occurs when someone reverts to a younger state of mind. This retreat may be only a few years younger than the person's physical age. It could also be much younger, into early childhood or even infancy. People who practice age regression may begin showing juvenile behaviors like thumb-sucking or whining.

so this what storys about also this non sexual!