1x9 - The Yakuza's Guide to Babysitting

Yaeka seems to be acting strange. She seems to be extremely antsy like she's hiding something from Kirishima... On top of that, Sakuragi, Sugihara, and the rest of the members of the Sakuragi Family seem to be trying to keep Kirishima and Yaeka apart. What could Yaeka possibly be up to?