[Comprehensive] Abandoner

Time travelers are rampant and have taken away many people's normal lives. Sawada Tsunayoshi has a younger sister. In order to obtain a future as glorious as his on his behalf, that sister led him into the Holy Grail War in Fuyuki City, causing him to be swallowed up by the evil of this world. "What did you come back for?! You have been forgotten by everyone and gave up! Now, I am Vongola's heir!" "Then, you who voluntarily gave up everything and were forgotten, aren't you also an abandoner?" Intention: