Arrive in Tokyo and explore the city.

Evening tour of Shibuya

And Japanese food tour  and night market.

Spend the day exploring more of Tokyo. Some options could include visiting the Tokyo Skytree, Imperial palace – to admire the cherry blossom

Asakusa temple

Day at leisure

Option to visit Tokyo Disney Resort

Take the bullet train to Kyoto and explore the city. Some popular attractions in Kyoto include the Kinkakuji Temple, the Fushimi Inari Shrine, and the Gion District. In the evening, attend a traditional tea ceremony while wearing a kimono in Kyoto Maikoya

Spend the day exploring more of Kyoto. Some options could include visiting the Arashiyama Bamboo Forest, the Nijo Castle, or the Philosopher’s Walk.

Take the bullet train to Osaka and explore the city. Some popular attractions in Osaka include the Osaka Castle, the Universal Studios Japan theme park, and the Dotonbori area.

Spend the day exploring more of Osaka. Some options could include visiting the Osaka Aquarium, the Osaka Science Museum, or the Tempozan Ferris Wheel.

Busan

Exit Osaka for Busan by flight.

Visit Haeundae Beach and soak up the sun and sea breeze

Explore Gwangan Bridge and enjoy the night view from the top

Take a trip to Taejongdae Resort Park and hike to the observatory for a stunning view of the coast

Visit the Gamcheon Culture Village and walk through the colorful streets lined with murals and art installations

Seoul

Exit for by train for Seoul- Seoul city sightseeing tour including Gyeongnokgung palace, N Seoul tower and Namsangol Hanok village

Visit Gangnam Park,

Visit the Myeong-dong shopping district

Coex Mall for Starfield library

Evening on Han river

Buckchon Hanok village

Day at leisure

Options include- visiting a K-drama location  e.g day trip to Boseong to the oldest and largest tea garden (where legend of blue sea was shot)

Exit  Seoul for home, other cities in South Korea or neighbouring countries.