Various treatment concepts are available for the treatment of Angle Class II, division 2 malocclusion. Thanks to advances in digital technology, the complete workflow for fabricating your own aligners in clinical practice (ie, in-house aligners) has recently become established. This article describes the treatment of a complex case exclusively with in-house aligners, which were designed with a modified frog intrusion protocol and overengineering. The treatment outcome demonstrates the effectiveness of individually planned aligner therapies in adult patients with a deep bite. Keywords: in-house aligners, Angle Class II, division 2 malocclusion, frog intrusion protocol, overengineering