takemichi and hina

🏆["Silver Medal" in System Category of "Meganovel Annual Writing Contest 2022"]🏆 Aoi, a Japanese kid, stumbles upon a portal and witnesses his parents die in front of a masked man wielding a gun in his hand. He becomes an orphan and lives with a foster family, which fortunately treats him as their own child. Hina, Aoi’s step-sister, grows up and takes a liking to Aoi. However, something terrible happens. After twelve years, portals have emerged once again and granted most people powers beyond their imaginations. And Aoi is one of them. He receives a system and a sniper as his primary weapon. But after everything he has been through, Aoi struggles to use his sniper and system. So when a portal materialises in their school, Aoi has no choice but to fend off the monsters inside the portal and hunt down the masked man who killed his parents twelve years ago.