Other Name: ラブ・サバイバル; ラブ☆サバイバル; 愛情先搶先贏; Cinta, Bertahanlah!
Author: SUGIYAMA Miwako ,
Year of release: 2014
Seri is in love with her childhood friend Kou. But hes more interested in her sister! To make things more complicated, Seris classmate Ikushi is always getting on her nerves... because he likes her sister, too!!