I'm sure that's not the Hs-125. Please notice that the kite seen at the backgrund has ...
A and B ... openings/steps for accessing the cockpit and front of the fuselage, no such ones for the Hs-125,
C ... the large protruding step for getting in at the fairing of the wing/fuselage transition, no a such one for the Hs-125,
D ... fairing of the tail wheel mount, no a such one for the Hs-125,
E ... a wing of a small wingspan/chord and the different shape of the trailing edge than the Hs-125 had,
F ... a high demarcation line between the three-tone top camouflage colours and the underside one. The civilian registration for the B1 class of military aircraft ( weight 1000kg-2500kg, crew 1-4 people ) started with the D-I letters can be noticed as well. The Hs 125 didn't wear the camo uniform rather and being of the smaller weight the registration would be different although started with the D sign.
G ... not clearly presented but there is a piece of the horizontal stabilizer strut seen. The Hs-125 didn't have a such one.
to sum up ... as you may find all the details indicate the Hs-123 but not the Hs-125.
Hs-123
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Hs-125
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