My Life is an Isekai, I Think

Katsuo Nakajima is routine-oriented and in his second year of high school. But when he gets hit by a truck and wakes up in a parallel world, sticking to routine is the last thing he wants to do. Everyone around him seems to know who he is, even though he has no recollection of their names or faces. He thinks he might be going crazy until someone calls him Hayami Kimiko, the only one who doesn't have any memory of him. As Hayami and Katsuo become friends, will they chip away at the conundrum of Katsuo's trip across worlds? Can they solve the mystery by working together? My Life is an Isekai, I Think is a captivating, slice of life light novel perfect for readers who enjoy relaxed mysteries, parallel worlds, and, of course, isekai.