Read Waga Tousou - Imouto No Tame Nara Sekai O Shukusei Shite Mo Ii Yo Ne! Manga
Synopsis Waga Tousou - Imouto No Tame Nara Sekai O Shukusei Shite Mo Ii Yo Ne! Manga
Mina, a Space-Time Vanguard Unit Lieutenant, arrives from a distant future to interrupt Ichikawa's peaceful life with some upsetting news of how the world would end if he keeps pursuing his affection for his little sister. Nevertheless, the sound of the grim news doesn't seem to stop Ichikawa, resulting in Mina having to take any and every action to persuade him and seduce him if possible!