Bunkiten

Briefly about Bunkiten manga:

Shion has an idol childhood friend and a step sister from his dad’s 2nd marriage. For some reason, he lost his memories because he fell from the stairs, so the last thing he remembered was the night of june 6 when he was supposed to buy some crepe. After getting out of the hospital, his childhood friend suddenly told him they are dating and that it’s a secret from their parents. Shion is confused about what happened to him so he decides to go on a journey with his childhood friend to solve all of his problems. What will happen when