Sairenji Haruna/Plot

Plot
Haruna is seen as a secondary female protanganist next to Lala but is the center of Rito's feelings who he constantly tried to confess to. Rito and Haruna have known each other since pre-school but never have interacted with each other until after Lala's arrivel and have seemingly become closer over time. It's revealed that Haruna also has feelings for Rito for a long but had this feelings buried because of her friendship with Lala, however she managed to tell her about her feelings for him which she was surprised at first but also supports both thier love. Sinced then Lala has distent herself from Rito to be fair to Haruna. When Rito told Lala about his feelings towards her and Haruna she tries to bring them together (because of Ritos engagment to Lala, he will become the next king of Deviluke and Earth laws will not apply to him making polygamy legal for him, so the three of them can be together).

In To Love-Ru Darkness, Lala continues to push Haruna and Rito together, although she is confused for her reason in doing so. That is until Momo told her about polygamy being a commen thing in space, Haruna is currently doesn't know wat to do with this new found possibility.