If Her Flag Breaks

Believe and Wait for Me. I'm not Going to be Late for My Date With Everyone.

Souta tried checking the door to the underground passage, but are unable to find the door. Everyone complained that Souta agreed to go on a date with Akane, so Souta goes on a date with everyone but Nanami, who chooses to stay at Quest Dorm and Ruri, who stayed behind. Souta and Ruri examine the underground passage, where they found a stone chest that wrote the same content as Souta's letter. The Samurai, Mei appears.