俺にトラウマを与えた女子達がチラチラ見てくるけど、残念ですが手遅れです•Ore ni Trauma wo Ataeta Joshi-tachi ga Chirachira Mitekuru kedo, Zannen desu ga Teokure desu

The Girls Who Traumatized Me Keep Glancing at Me, but Alas, It's Too Late.

Yukito Kokonoe has always been unlucky when it comes to women. He was rejected by his childhood friend, which he thought they had mutual feelings for each other. His sister hates him. His mother neglected him. Due to all these trauma stacking with each other, his emotions were completely destroyed. When Yukito enters high school, the girls who inflicted these pain on him started to care for him...?! (Source: Overlap, translated)