Taishi stays at Rie's house because his parents work overtime. Rie thought that he was actually her real brother! Now, Taishi says that she's "idiotic now and then". People think of Taishi as cool and mature, but Rie knows that he's just a brat inside...<br /> <br />> Included as an extra in Saboten no Himitsu <br />( https://bato.to/comic/_/comics/saboten-no-himitsu-r3911 )