Start with fresh sushi or tamagoyaki at Tsukiji Outer Market; many stalls open early (roughly 7:00–14:00) but individual vendor times vary, so check before going.
Head to your hotel in central Tokyo (Shinjuku/Shibuya area recommended for solo travellers) and store bags or check in; most hotels allow check-in from 2pm but will hold luggage earlier.
Visit Meiji Shrine for a peaceful tree-lined approach and then stroll Takeshita Street for quirky shops; Meiji Shrine usually open from ~5:00am to dusk (times vary seasonally), shop hours on Takeshita from ~10:00am.
Solo-friendly ramen at Afuri (yuzu shio ramen) near Harajuku or a standing ramen bar in Shibuya; ramen shops typically open from 11:00–22:00 but vary by shop.
Explore historic Senso-ji Temple and Nakamise shopping street; Senso-ji grounds are usually open all day though some temple buildings follow set hours (approx 6:00–17:00).
Take the Odakyu Romancecar or JR to Odawara then local transport into Hakone; Romancecar requires advance seat reservation (approx 1h30m from Shinjuku).
Ride the ropeway for potential views of Mount Fuji and visit Owakudani volcanic valley (ropeway ~9:00–17:00, Owakudani access can be closed due to volcanic activity—check in advance).
Return to Odawara then take the shinkansen to Kyoto (approx 2h15m); reserve seats if possible for comfort. Travel flows westward along the Tokaido line.
Wander Gion's atmospheric streets and Hanami-koji for traditional wooden teahouses; shops and teahouses usually close by late evening but streets are open to explore.
Dine in Pontocho Alley for riverside ambience — choose a casual yakitori spot if you prefer a solo-friendly setting; many restaurants open until 21:00–22:00.
Sample Kyoto-style obanzai (home-cooked small dishes) or yudofu (tofu hot pot) in the Arashiyama/Kyoto area; many speciality restaurants open 11:00–15:00.
Choose a short tea ceremony experience (book ahead) or shop for souvenirs in Kyoto's shopping arcades; tea houses have scheduled sessions so reserve in advance.
Allow plenty of time for airport transfer (approx 1h by train or airport express from central Osaka) and check-in; factor in luggage and security time.