Manga.

A mysterious boy comes to Saku Fujigaya's rescue when she falls ill on a train, but he leaves before she can thank him. After this experience, Saku never ignores strangers in need of help to emulate the boy who helped her.

Can Lesley and Alessio keep their relationship professional when they’re sharing a roof? Lesley, a hacker, is hired by Alessio Baldini to investigate threats he’s been receiving. Growing up with her father and five brothers, Lesley is confident around men, but Alessio proves the exception—he is just too attractive. Despite wanting to keep some distance from the dangerously gorgeous millionaire, Lesley must ultimately move in with hard-to-resist Alessio. She falls deeper and deeper in love with him, but little does she realize that his feelings for her are changing, too…

According to urban legend, there's an abandoned airfield on the edge of town where a spirit known as the Summer Ghost can be summoned. After discovering each other on the internet, three teenagers from different high schools who share a special connection to death meet up to summon the mysterious specter. Thus begins a story that will bridge the boundary between life and death on a midsummer night that none of them will ever forget.