Yahari Ore no Seishun Love Comedy wa Machigatteiru., Yagate Kimi ni Naru Recommendations
Both shows are very similar due to their slow pace, gradual exploration of the motivation and actions of the characters, as well as the rather subtle and attentive development of the romantic line. The main difference, of course, is that Yagate Kimi ni Naru is a melancholic shoujo-ai, and Oregairu, on the contrary, is a sarcastic school comedy with a male lead.
Moreover, I do not know whether it is intentional or not, but Touko and Yuu are so similar to Yukinon and Yui that sometimes it may seem like a yuri fanfic on Oregairu, especially considering the popularity of Yukinon/Yui pairing. In any case, if
If you liked the animation of Yahari Ore the animation of Yagate Kimi is very similar and the 2 stories are complicated romances