Mind Game S01

Nishi has loved Miyu since she was small. And now in adulthood, he wants to pursue his dream of becoming a manga artist and marrying his childhood sweetheart. However, there's one problem: he's been asked to propose, and he thinks Nishi is too cowardly. After meeting his fiancée's family at dinner, he's accepted as a good person, but they encounter several Yakuza members, just so Nishi can discover the truth. And with his new perspective on life, there's a lot of adventure, he, Miyu, and his sister Yayoi escape from the Yakuza to an unknown location where they see an old man.