For those wondering what is up with that bag from page number 13: it's the same bag from page number 3 of the 25th chapter. Ryuugan is the name of the temple the teacher comes from.
They are cousins, not siblings, what would be the problem if she falls in love with him?
I mean, in the west, yeah, that would be problematic... but in Japan? Nope...
Their Prime Minister is married to his 1st cousin, for fuck's sake.
@aFFi
In the Middle East too, you're encouraged to marry a cousin. The bint 'amm marriage, or marriage with one's father's brother's daughter is one of the most common marriages in tribal communities. In places like Pakistan and Yemen over 50% of the population is married to a first or second cousin.
When did he sneak out? Quick! ... I checked myself. This smooth operator said "he was looking at swim trunks", but it cuts to him waiting outside. Genius.
There's nine volumes guys; don't get baited. Hand-holding or it's not happening.