Can Only the Heroine See Me?

Jiang Yuan transmigrated, and became a ghost that no one could see or touch except the heroine! The only good news was that the System he came with could bind itself to a heroine, allowing Jiang Yuan to strengthen his presence by touching her. Besides... who said this world only had one heroine? The beautiful girls from all kinds of anime and manga who got haunted by Jiang Yuan's ghost all started acting strange. Haneha Kurou: "Ruruka keeps eating ice cream... but did I really make that much?" Rin Tohsaka: "I never replenished Saber's mana. Where did she get enough to blow through the Holy Grail War?" Hatsuka Misumi: "Sakiko always looks disgusted when she plays piano. Does she hate my lyrics?" Firefly: "Why does it take Stelle so long to go out and buy an oak cake roll?" ... "Constantly changing the heroine candidates is obviously not my fault," Jiang Yuan argued. "You've all gotten used to me touching you, and you don't even get embarrassed. Who's supposed to make up for the presence I'm missing?!"