This man turned post-nut clarity into post-nut enlightenment. But I guess that's not so hard when you have an ultra-hot, ultra-flexible, ultra-committed and socially-perfect osananajimi onee-chan.
Good story about somebody getting over their self-confidence/self-reliance issues with a person that cares about them. I hope one of them makes the sacrifice to be with the other, or both of them do I guess.
I had to do some research but I did learn that 'bou' actually is an honorific in Japanese and is used for you boys. I can get that it is a nickname, but I'm wondering if anyone with more knowledge of Japanese can say if there is anything more implied with it.
Honestly, it's not that bad. That's not even contortionist level; that's like typical gymnast level... which is still way beyond the average person, but not uncommon, much less impossible.
Having been re-energized by some T.L.C. from such a Sexy Onee-san like Fuuko-nee (even if they're not blood-related), Ayumi is no doubt ready to go forth and conquer his world in Tokyo.
As for telling her something when he comes back, Do Your Best ... you Lucky Bastard (GRR)!